diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..0756392
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+*__pycache__
+*egg-info
\ No newline at end of file
diff --git a/LICENCE b/LICENCE
new file mode 100644
index 0000000..b49c24c
--- /dev/null
+++ b/LICENCE
@@ -0,0 +1,21 @@
+Copyright (c) 2022, Joppe Blondel
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice, this
+   list of conditions and the following disclaimer.
+2. Redistributions in binary form must reproduce the above copyright notice,
+   this list of conditions and the following disclaimer in the documentation
+   and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
\ No newline at end of file
diff --git a/remotesyn/Heartbeat.py b/remotesyn/Heartbeat.py
new file mode 100644
index 0000000..20af685
--- /dev/null
+++ b/remotesyn/Heartbeat.py
@@ -0,0 +1,34 @@
+import threading
+import time
+import base64
+
+class Heartbeat(threading.Thread):
+    def __init__(self, channel):
+        threading.Thread.__init__(self)
+        self.channel = channel
+        self.running = True
+        self.printing = False
+    def stop(self):
+        self.running = False
+    def run(self):
+        while self.running:
+            if self.printing:
+                print('.', end='', flush=True)
+            self.channel.exec_command(base64.encodebytes(b'hb'))
+            time.sleep(2)
+
+class HeartbeatChecker(threading.Thread):
+    def __init__(self, server):
+        threading.Thread.__init__(self)
+        self.server = server
+        self.running = True
+        self.hb = True
+    def stop(self):
+        self.running = False
+    def run(self):
+        while self.running:
+            if not self.hb:
+                self.server.active = False
+                self.server.event.set()
+            self.hb = False
+            time.sleep(5)
\ No newline at end of file
diff --git a/remotesyn/__init__.py b/remotesyn/__init__.py
new file mode 100644
index 0000000..00ee89c
--- /dev/null
+++ b/remotesyn/__init__.py
@@ -0,0 +1,200 @@
+from .exec_ISE import exec_ISE
+from .exec_VIVADO import exec_VIVADO
+from .exec_REMOTE import exec_REMOTE
+
+from .Heartbeat import Heartbeat, HeartbeatChecker
+
+import sys
+import os
+import shutil
+import subprocess
+import paramiko
+import socket
+import threading
+import struct
+import base64
+
+class Executer(threading.Thread):
+    def __init__(self, args, channel, identifier):
+        threading.Thread.__init__(self)
+        self.args = args
+        self.channel = channel
+        self.identifier = identifier
+        self.pid = None
+    def run(self):
+        self.pid = subprocess.Popen(f"../{sys.argv[0]} -l -c project.cfg {self.args}", shell=True, cwd=f'{self.identifier}', stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
+        res = self.pid.wait()
+        self.pid = None
+        self.channel.sendall(struct.pack('>I', res))
+
+class FileTransferSF(threading.Thread):
+    def __init__(self, channel, fname, identifier, fsize):
+        threading.Thread.__init__(self)
+        self.channel = channel
+        self.fname = fname
+        self.identifier = identifier
+        self.fsize = fsize
+    def run(self):
+        with open(f"{self.identifier}/{self.fname}", 'wb') as f:
+            fsize = self.fsize
+            while fsize>0:
+                fdata = self.channel.recv(1024)
+                f.write(fdata)
+                fsize -= 1024
+
+class FileTransferRF(threading.Thread):
+    def __init__(self, channel, fname, identifier):
+        threading.Thread.__init__(self)
+        self.channel = channel
+        self.fname = fname
+        self.identifier = identifier
+    def run(self):
+        with open(f"{self.identifier}/{self.fname}", 'rb') as f:
+            stat = os.fstat(f.fileno())
+            print('  -> fsize', stat.st_size)
+            fsize = struct.pack('>q', stat.st_size)
+            i = stat.st_size
+            self.channel.sendall(b'OK'+fsize)
+            while i>0:
+                fdata = f.read(1024)
+                self.channel.sendall(fdata)
+                i -= 1024
+
+class Server(paramiko.ServerInterface):
+    def __init__(self, authorized):
+        self.event = threading.Event()
+        self.authorized = authorized
+        self.active = True
+        self.hbchecker = HeartbeatChecker(self)
+        self.hbchecker.start()
+        self.processes = []
+
+    def stopall(self):
+        print("Stop all running processes")
+        for p in self.processes:
+            if p.pid is not None:
+                p.pid.terminate()
+
+    def check_channel_request(self, kind, chanid):
+        if kind == 'session':
+            return paramiko.OPEN_SUCCEEDED
+
+    def check_auth_publickey(self, username, key):
+        keyascii = key.get_base64()
+        for auth in self.authorized:
+            authascii = auth.split(' ')[1]
+            if authascii==keyascii:
+                return paramiko.AUTH_SUCCESSFUL
+        return paramiko.AUTH_FAILED
+
+    def get_allowed_auths(self, username):
+        return 'publickey'
+
+    def rstr(self, b):
+        l = struct.unpack('>I', b[:4])[0]
+        return (bytes.decode(b[4:4+l], 'utf-8'), b[4+l:])
+
+    def sstr(self, s):
+        return struct.pack('>I', len(s)) + s.encode('utf-8')
+
+    def check_channel_exec_request(self, channel, command):
+        # self.event.set()
+        command = base64.decodebytes(command)
+        cmd = command[:2]
+        data = command[2:]
+
+        if cmd==b'id':
+            identifier = struct.unpack('>q', data[:8])[0]
+            self.identifier = str(identifier)
+            print('>', identifier)
+            # Create directory
+            if os.path.exists(str(identifier)):
+                shutil.rmtree(str(identifier))
+            os.mkdir(str(identifier))
+
+        elif cmd==b'ex':
+            print('<', self.identifier)
+            #shutil.rmtree(str(self.identifier))
+            self.active = False
+            self.hbchecker.stop()
+            self.event.set()
+
+        elif cmd==b'hb':
+            self.hbchecker.hb = True
+
+        # List files
+        elif cmd==b'ls':
+            dr, data = self.rstr(data)
+            print('ls', dr)
+            if not os.path.exists(f"{self.identifier}/{dr}"):
+                channel.sendall(b'ERFile not found')
+            es = []
+            for f in os.listdir(f'{self.identifier}/{dr}'):
+                if os.path.isfile(f'{self.identifier}/{dr}/{f}'):
+                    df = 'f'
+                else:
+                    df = 'd'
+                es.append(f'{df}{f}')
+            channel.sendall(b'OK' + self.sstr('\n'.join(es)))
+
+        # Send file
+        elif cmd==b'sf':
+            fname, data = self.rstr(data)
+            fsize = struct.unpack('>q', data)[0]
+            print('>>', fname, fsize)
+            os.makedirs(os.path.dirname(f"{self.identifier}/{fname}"), exist_ok=True)
+            channel.sendall(b'OK\n')
+            FileTransferSF(channel, fname, self.identifier, fsize).start()
+
+        # Receive file
+        elif cmd==b'rf':
+            fname, data = self.rstr(data)
+            print('<<', fname)
+            if not os.path.exists(f"{self.identifier}/{fname}"):
+                channel.sendall(b'ERFile not found')
+            else:
+                FileTransferRF(channel, fname, self.identifier).start()
+
+        # Execute synth
+        elif cmd==b'do':
+            args, data = self.rstr(data)
+            print('[]', args)
+            executer = Executer(args, channel, self.identifier)
+            executer.start()
+            self.processes.append(executer)
+
+        return True
+
+class Connection(threading.Thread):
+    def __init__(self, client, addr, host_key, authorized):
+        threading.Thread.__init__(self)
+        self.client = client
+        self.addr = addr
+        self.host_key = host_key
+        self.running = True
+        self.authorized = authorized
+        print(f"Connection from {addr}")
+
+    def stop(self):
+        self.running = False
+        self.server.event.set()
+
+    def run(self):
+        self.running = True
+        t = paramiko.Transport(self.client)
+        t.set_gss_host(socket.getfqdn(""))
+        t.load_server_moduli()
+        t.add_server_key(self.host_key)
+        server = Server(self.authorized)
+        t.start_server(server=server)
+        self.server = server
+
+        # Wait for the event
+        while server.active:
+            server.event.wait(10)
+
+        server.stopall()
+        shutil.rmtree(server.identifier)
+
+        t.close()
+        print('connection closed')
\ No newline at end of file
diff --git a/remotesyn/exec_ISE.py b/remotesyn/exec_ISE.py
new file mode 100644
index 0000000..fb833da
--- /dev/null
+++ b/remotesyn/exec_ISE.py
@@ -0,0 +1,349 @@
+import os
+import shutil
+import subprocess
+import time
+
+class exec_ISE:
+    def __init__(self, config, builddir):
+        self.config = config
+        self.builddir = builddir
+        self.create_builddir()
+
+    def create_outdir(self, target):
+        self.outdir = self.config.get('project', 'out_dir', fallback='OUT')
+        if not os.path.exists(self.outdir):
+            os.mkdir(self.outdir)
+        if not os.path.exists(f'{self.outdir}/{target}'):
+            os.mkdir(f'{self.outdir}/{target}')
+
+    def create_builddir(self):
+        if not os.path.exists(self.builddir):
+            os.mkdir(self.builddir)
+
+    def enter_builddir(self):
+        self.curdir = os.getcwd()
+        os.chdir(self.builddir)
+
+    def leave_builddir(self):
+        os.chdir(self.curdir)
+
+    def do_ip_gen(self, target):
+        # get used IP's for target
+        ips = self.config.get(target, 'src_ip', fallback='').split()
+        self.create_outdir(target)
+
+        print("+ Generate IPs")
+
+        for i, ip in enumerate(ips):
+            # Create cgp file
+            with open(f'{self.builddir}/coregen_{i}.cgp', 'w') as f:
+                f.write(f'SET busformat = BusFormatAngleBracketNotRipped\n')
+                f.write(f'SET designentry = VHDL\n')
+                f.write(f'SET device = {self.config.get("target", "device")}\n')
+                f.write(f'SET devicefamily = {self.config.get("target", "family")}\n')
+                f.write(f'SET package = {self.config.get("target", "package")}\n')
+                f.write(f'SET speedgrade = {self.config.get("target", "speedgrade")}\n')
+                f.write(f'SET flowvendor = Other\n')
+                f.write(f'SET verilogsim = true\n')
+                f.write(f'SET vhdlsim = true\n')
+            # crete xco file
+            with open(f'{self.builddir}/coregen_{i}.xco', 'w') as f:
+                ipsec = 'ip_%s'%ip
+                f.write(f'SELECT {ip} {self.config.get(ipsec, ipsec)}\n')
+                for s in self.config[ipsec]:
+                    if s==ipsec:
+                        continue
+                    f.write(f'CSET {s}={self.config.get(ipsec, s)}\n')
+                f.write('GENERATE')
+            # Clear log
+            if os.path.exists(f'{self.builddir}/coregen.log'):
+                os.remove(f'{self.builddir}/coregen.log')
+            # Run coregen
+            pid = subprocess.Popen(f'coregen -p coregen_{i}.cgp -b coregen_{i}.xco', shell=True, cwd=self.builddir, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
+            while pid.poll() is None:
+                print('.', end='', flush=True)
+                time.sleep(2)
+            res = pid.returncode
+            print('')
+
+            if not os.path.exists(f'{self.outdir}/{target}/{ip}'):
+                os.mkdir(f'{self.outdir}/{target}/{ip}')
+            # Copy files to output directory if succeeded
+            if res == 0:
+                shutil.copyfile(f'{self.builddir}/{ip}.vhd', f'{self.outdir}/{target}/{ip}/{ip}.vhd')
+                shutil.copyfile(f'{self.builddir}/{ip}.v', f'{self.outdir}/{target}/{ip}/{ip}.v')
+                shutil.copyfile(f'{self.builddir}/{ip}.ngc', f'{self.outdir}/{target}/{ip}/{ip}.ngc')
+            # Copy log
+            shutil.copyfile(f'{self.builddir}/coregen.log', f'{self.outdir}/{target}/{ip}/{ip}.log')
+            
+            if res!=0:
+                exit(res)
+
+    def do_synthesize(self, target):
+        self.create_outdir(target)
+        self.enter_builddir()
+
+        print('+ Synthesize')
+
+        extra_opts = self.config.get(target, 'extra_options').split('\n')
+        opts = {}
+        for o in extra_opts:
+            tp = o.split()[0]
+            op = ' '.join(o.split()[1:])
+            opts[tp] = op
+
+        if 'xst' not in opts:
+            opts['xst'] = ''
+
+        if 'netgen' not in opts:
+            opts['netgen'] = ''
+ 
+        with open('syn.prj', 'w') as f:
+            src = self.config.get(target, 'src_vhdl', fallback='').split()
+            for s in src:
+                f.write(f'vhdl work "{self.curdir}/{s}"\n')
+            src = self.config.get(target, 'src_verilog', fallback='').split()
+            for s in src:
+                f.write(f'verilog work "{self.curdir}/{s}"\n')
+            src = self.config.get(target, 'src_sysverilog', fallback='').split()
+            for s in src:
+                f.write(f'verilog work "{self.curdir}/{s}"\n')
+            src = self.config.get(target, 'src_ip', fallback='').split()
+            for s in src:
+                f.write(f'vhdl work "{self.curdir}/{self.outdir}/{target}/{s}/{s}.vhd"\n')
+        with open('prj.scr', 'w') as f:
+            f.write('run\n-ifn syn.prj\n-ofn syn.ngc\n-ifmt mixed\n')
+            f.write(f"-top {self.config.get(target, 'toplevel', fallback='_top_')}\n")
+            f.write(f"-p {self.config.get('target', 'device', fallback='_d_')}")
+            f.write(self.config.get('target', 'speedgrade', fallback='_s_'))
+            f.write(f"-{self.config.get('target', 'package', fallback='_p_')}")
+            f.write(f"\n{opts['xst']}\n")
+
+        pid = subprocess.Popen(f'xst -intstyle xflow -ifn prj.scr', shell=True, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
+        while pid.poll() is None:
+            print('.', end='', flush=True)
+            time.sleep(2)
+        res = pid.returncode
+        print('')
+        if res!=0:
+            self.leave_builddir()
+            exit(res)
+
+        success = True
+        pid = subprocess.Popen(f"netgen -intstyle xflow -sim -ofmt verilog -w -insert_glbl true {opts['netgen']} syn.ngc", shell=True, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
+        while pid.poll() is None:
+            print('.', end='', flush=True)
+            time.sleep(2)
+        res = pid.returncode
+        print('')
+        if res!=0:
+            success = False
+            exit(res)
+
+        self.leave_builddir()
+
+        if success:
+            if not os.path.exists(f'{self.outdir}/{target}'):
+                os.mkdir(f'{self.outdir}/{target}')
+            # Copy files to output directory if succeeded
+            shutil.copyfile(f'{self.builddir}/syn.ngc', f'{self.outdir}/{target}/{target}.ngc')
+            shutil.copyfile(f'{self.builddir}/syn.v', f'{self.outdir}/{target}/{target}.v')
+        shutil.copyfile(f'{self.builddir}/prj.srp', f'{self.outdir}/{target}/syn.log')
+        
+    def do_implement(self, target):
+        self.create_outdir(target)
+        self.enter_builddir()
+
+        print('+ Implement')
+
+        extra_opts = self.config.get(target, 'extra_options').split('\n')
+        opts = {}
+        for o in extra_opts:
+            tp = o.split()[0]
+            op = ' '.join(o.split()[1:])
+            opts[tp] = op
+
+        if 'ngd' not in opts:
+            opts['ngd'] = ''
+
+        if 'map' not in opts:
+            opts['map'] = ''
+
+        if 'par' not in opts:
+            opts['par'] = ''
+
+        part = f"{self.config.get('target', 'device', fallback='_d_')}{self.config.get('target', 'speedgrade', fallback='_s_')}-{self.config.get('target', 'package', fallback='_p_')}"
+        cons = self.config.get(target, 'src_constraints', fallback='__con__')
+        pid = subprocess.Popen(f"ngdbuild -intstyle xflow -p {part} -uc {self.curdir}/{cons} {opts['ngd']} {self.curdir}/{self.outdir}/{target}/{target}.ngc impl.ngd", shell=True, stderr=subprocess.DEVNULL, stdout=subprocess.DEVNULL)
+        while pid.poll() is None:
+            print('.', end='', flush=True)
+            time.sleep(2)
+        res = pid.returncode
+        print('')
+        shutil.copyfile(f'impl.bld', f'{self.curdir}/{self.outdir}/{target}/impl-ngd.log')
+        if res!=0:
+            self.leave_builddir()
+            exit(res)
+
+        pid = subprocess.Popen(f"map -intstyle xflow -detail -p {part} {opts['map']} -w impl.ngd -o impl.map.ncd impl.pcf", shell=True, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
+        while pid.poll() is None:
+            print('.', end='', flush=True)
+            time.sleep(2)
+        res = pid.returncode
+        print('')
+        shutil.copyfile(f'impl.map.mrp', f'{self.curdir}/{self.outdir}/{target}/impl-map.log')
+        if res!=0:
+            self.leave_builddir()
+            exit(res)
+
+        pid = subprocess.Popen(f"par -intstyle xflow {opts['par']} -w impl.map.ncd impl.pcf | tee impl.par.log", shell=True, stderr=subprocess.DEVNULL, stdout=subprocess.DEVNULL)
+        while pid.poll() is None:
+            print('.', end='', flush=True)
+            time.sleep(2)
+        res = pid.returncode
+        print('')
+        shutil.copyfile(f'impl.par.log', f'{self.curdir}/{self.outdir}/{target}/impl-par.log')
+        if res!=0:
+            self.leave_builddir()
+            exit(res)
+
+        pid = subprocess.Popen(f"netgen -intstyle xflow -sim -ofmt verilog -w -insert_glbl true -sdf_anno true {opts['netgen']} impl.map.ncd", shell=True, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
+        while pid.poll() is None:
+            print('.', end='', flush=True)
+            time.sleep(2)
+        res = pid.returncode
+        print('')
+        if res!=0:
+            self.leave_builddir()
+            exit(res)
+
+        self.leave_builddir()
+
+        shutil.copyfile(f'{self.builddir}/impl.map.v', f'{self.outdir}/{target}/{target}.map.v')
+        shutil.copyfile(f'{self.builddir}/impl.map.sdf', f'{self.outdir}/{target}/{target}.map.sdf')
+        shutil.copyfile(f'{self.builddir}/impl.pcf.ncd', f'{self.outdir}/{target}/{target}.ncd')
+        shutil.copyfile(f'{self.builddir}/impl.pcf', f'{self.outdir}/{target}/{target}.pcf')
+
+    def do_bit(self, target):
+        self.create_outdir(target)
+        self.enter_builddir()
+
+        print('+ Generate output files')
+
+        extra_opts = self.config.get(target, 'extra_options').split('\n')
+        opts = {}
+        for o in extra_opts:
+            tp = o.split()[0]
+            op = ' '.join(o.split()[1:])
+            opts[tp] = op
+
+        if 'bitgen' not in opts:
+            opts['bitgen'] = ''
+
+        if 'trce' not in opts:
+            opts['trce'] = ''
+
+        pid = subprocess.Popen(f"bitgen -intstyle xflow -g Binary:Yes -w {opts['bitgen']} {self.curdir}/{self.outdir}/{target}/{target}.ncd bit.bit {self.curdir}/{self.outdir}/{target}/{target}.pcf", shell=True, stderr=subprocess.DEVNULL, stdout=subprocess.DEVNULL)
+        while pid.poll() is None:
+            print('.', end='', flush=True)
+            time.sleep(2)
+        res = pid.returncode
+        print('')
+        self.leave_builddir()
+        shutil.copyfile(f'{self.builddir}/bit.bit', f'{self.outdir}/{target}/{target}.bit')
+        shutil.copyfile(f'{self.builddir}/bit.bin', f'{self.outdir}/{target}/{target}.bin')
+        if res!=0:
+            exit(res)
+
+        self.enter_builddir()
+        pid = subprocess.Popen(f"trce -intstyle xflow {opts['trce']} {self.curdir}/{self.outdir}/{target}/{target}.ncd {self.curdir}/{self.outdir}/{target}/{target}.pcf", shell=True, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
+        while pid.poll() is None:
+            print('.', end='', flush=True)
+            time.sleep(2)
+        res = pid.returncode
+        print('')
+        self.leave_builddir()
+        shutil.copyfile(f'{self.builddir}/{target}.twr', f'{self.outdir}/{target}/timing.log')
+        if res!=0:
+            exit(res)
+
+    def do_floorplan(self, target):
+        self.create_outdir(target)
+        self.enter_builddir()
+        part = f"{self.config.get('target', 'device', fallback='_d_')}{self.config.get('target', 'package', fallback='_p_')}{self.config.get('target', 'speedgrade', fallback='_s_')}"
+        cons = f"{self.curdir}/{self.config.get(target, 'src_constraints', fallback='__con__')}"
+        with open('paproj.tcl', 'w') as f:
+            f.write(f'create_project -name paproj -dir paproj -part {part} -force\n')
+            f.write('set_property design_mode GateLvl [get_property srcset [current_run -impl]]\n')
+            f.write(f"set_property edif_top_file {self.curdir}/{self.outdir}/{target}/{target}.ngc [get_property srcset [current_run]]\n")
+            f.write(f"add_files [list {{{cons}}}] -fileset [get_property constrset [current_run]]\n")
+            f.write(f"set_property target_constrs_file {cons} [current_fileset -constrset]\n")
+            f.write(f"link_design\nread_xdl -file {self.curdir}/{self.outdir}/{target}/{target}.ncd\n")
+        pid = subprocess.Popen('planAhead -source paproj.tcl', shell=True) #, stdout=subprocess.DEVNULL, stderr=None)
+        res = pid.wait()
+        self.leave_builddir()
+
+    def do_sim(self, target):
+        self.create_outdir(target)
+        self.enter_builddir()
+
+        print('+ Simulate')
+
+        if os.path.exists('isim'):
+            shutil.rmtree('isim')
+
+        with open('sim.prj', 'w') as f:
+            src = self.config.get(target, 'src_vhdl', fallback='').split()
+            for s in src:
+                f.write(f'vhdl work "{self.curdir}/{s}"\n')
+            src = self.config.get(target, 'src_verilog', fallback='').split()
+            for s in src:
+                f.write(f'verilog work "{self.curdir}/{s}"\n')
+            src = self.config.get(target, 'src_sysverilog', fallback='').split()
+            for s in src:
+                f.write(f'verilog work "{self.curdir}/{s}"\n')
+            # TODO add IP
+
+        extras = ''
+        if self.config.get(target, 'simtype', fallback='presim') == 'postsim':
+            extras = f"--{self.config.get(target, 'delay', fallback='typ')}delay work.glbl"
+
+        pid = subprocess.Popen(f"fuse {extras} work.{self.config.get(target, 'toplevel', fallback='toplevel')} -prj sim.prj -o sim", shell=True, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
+        while pid.poll() is None:
+            print('.', end='', flush=True)
+            time.sleep(2)
+        res = pid.returncode
+        print('')
+        if res!=0:
+            self.leave_builddir()
+            shutil.copyfile(f'{self.builddir}/fuse.log', f'{self.outdir}/{target}/synth.log')
+            exit(res)
+
+        with open('sim.tcl', 'w') as f:
+            f.write("onerror {resume}\n")
+            f.write("vcd dumpfile sim.vcd\n")
+            f.write(f"vcd dumpvars -m {self.config.get(target, 'toplevel', fallback='toplevel')} -l {self.config.get(target, 'levels', fallback='10')}\n")
+            f.write("vcd dumpon\n")
+            f.write(f"run {self.config.get(target, 'runtime', fallback='100 ns')}\n")
+            f.write("vcd dumpflush\nquit\n")
+        
+        extras = ''
+        if self.config.get(target, 'simtype', fallback='presim') == 'postsim':
+            extras = f"-sdf{self.config.get(target, 'delay', fallback='typ')} {self.config.get(target, 'sdfroot', fallback='dut')}={self.curdir}/{self.config.get(target, 'src_sdf', fallback='_s_')}"
+
+        pid = subprocess.Popen(f'./sim -tclbatch sim.tcl {extras} > sim.log', shell=True, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
+        while pid.poll() is None:
+            print('.', end='', flush=True)
+            time.sleep(2)
+        res = pid.returncode
+        print('')
+        if res!=0:
+            exit(res)
+
+        self.leave_builddir()
+
+        if not os.path.exists(f'{self.outdir}/{target}'):
+            os.mkdir(f'{self.outdir}/{target}')
+        shutil.copyfile(f'{self.builddir}/sim.vcd', f'{self.outdir}/{target}/output.vcd')
+        shutil.copyfile(f'{self.builddir}/fuse.log', f'{self.outdir}/{target}/synth.log')
+        shutil.copyfile(f'{self.builddir}/sim.log', f'{self.outdir}/{target}/output.log')
\ No newline at end of file
diff --git a/remotesyn/exec_REMOTE.py b/remotesyn/exec_REMOTE.py
new file mode 100644
index 0000000..44253cf
--- /dev/null
+++ b/remotesyn/exec_REMOTE.py
@@ -0,0 +1,295 @@
+import os
+import paramiko
+import struct
+import base64
+
+from .Heartbeat import Heartbeat
+
+class exec_REMOTE:
+    def __init__(self, config, configfile):
+        self.config = config
+        self.configfile = configfile
+
+        self.privkey = self.config.get('server', 'privkey', fallback='__privkey__')
+        self.pubkey = self.config.get('server', 'pubkey', fallback='__pubkey__')
+        self.hostname = self.config.get('server', 'hostname', fallback='__hostname__')
+        self.port = self.config.get('server', 'port', fallback='__port__')
+
+        self.tc = self.config.get('project', 'toolchain', fallback='ISE')
+
+        if self.privkey=='__privkey__' or self.pubkey=='__pubkey__' or self.hostname=='__hostname__' or self.port=='__port__':
+            print("Not enough server information in the config file")
+            exit(1)
+
+        self.host_key = paramiko.RSAKey(filename=self.privkey)
+        client = paramiko.SSHClient()
+        client.load_system_host_keys()
+        client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
+        trans = paramiko.Transport((self.hostname, int(self.port)))
+        trans.connect(None, pkey=self.host_key)
+
+        self.channel = trans.open_channel('session')
+        self.hbchannel = trans.open_channel('session')
+
+        self.heartbeat = Heartbeat(self.hbchannel)
+        self.heartbeat.start()
+
+        # Send project identification
+        cmd = b'id' + struct.pack('>q', hash(self.host_key.get_base64()))
+        self.channel.exec_command(base64.encodebytes(cmd))
+
+    def __del__(self):
+        self.heartbeat.stop()
+        self.channel.exec_command(base64.encodebytes(b'ex'))
+
+    def cmd(self, cmd):
+        self.channel.exec_command(base64.encodebytes(cmd))
+
+    def sstr(self, s):
+        return struct.pack('>I', len(s)) + s.encode('utf-8')
+
+    def rstr(self):
+        l = struct.unpack('>I', self.channel.recv(4))[0]
+        return bytes.decode(self.channel.recv(l), 'utf-8')
+
+    def recv_dir(self, dr):
+        self.cmd(b'ls'+self.sstr(dr))
+        status = self.channel.recv(2)
+        if status!=b'OK':
+            msg = self.channel.recv(1024)
+            print("Error:", bytes.decode(msg, 'ascii'))
+            exit(1)
+        ls = self.rstr()
+        for p in ls.split('\n'):
+            tp = p[0]
+            name = p[1:]
+            if tp=='d':
+                self.recv_dir(f'{dr}/{name}')
+            else:
+                self.recv_file(f'{dr}/{name}')
+
+    def send_file(self, file, othername=None):
+        print(f"> {file}")
+        if not os.path.exists(file):
+            print(f"Error: {file} does not exists")
+        with open(file, 'rb') as f:
+            stat = os.fstat(f.fileno())
+            print('  -> fsize', stat.st_size)
+            if othername is None:
+                othername = file
+            fsize = struct.pack('>q', stat.st_size)
+
+            self.cmd(b'sf'+self.sstr(othername)+fsize)
+
+            status = self.channel.recv(3)
+            if status!=b'OK\n':
+                print('Something went wrong...')
+                exit(1)
+
+            i = stat.st_size
+            while i>0:
+                fdata = f.read(1024)
+                i -= 1024
+                self.channel.sendall(fdata)
+
+    def recv_file(self, file):
+        print(f"< {file}")
+        if os.path.dirname(file) != '':
+            os.makedirs(os.path.dirname(file), exist_ok=True)
+        with open(file, 'wb') as f:
+            self.cmd(b'rf'+self.sstr(file))
+            status = self.channel.recv(2)
+            if status!=b'OK':
+                msg = self.channel.recv(1024)
+                print("Error:", bytes.decode(msg, 'ascii'))
+                exit(1)
+            fsize = self.channel.recv(8)
+            fsize = struct.unpack('>q', fsize)[0]
+            print('  -> fsize', fsize)
+            while fsize>0:
+                f.write(self.channel.recv(1024))
+                fsize -= 1024
+
+    def do_ip_gen(self, target):
+        print("+ Generate IPs")
+        self.send_file(self.configfile, 'project.cfg')
+        self.heartbeat.printing = True
+        self.cmd(b'do'+self.sstr(f'ip {target}'))
+        res = struct.unpack('>I', self.channel.recv(4))[0]
+        self.heartbeat.printing = False
+        print(f' [{res}]')
+
+        # get used IP's for target
+        ips = self.config.get(target, 'src_ip', fallback='').split()
+        for i, ip in enumerate(ips):
+            self.recv_dir(f"{self.config.get('project', 'out_dir', fallback='OUT')}/{target}/{ip}")
+
+        if res != 0:
+            print("Some error occured...")
+            exit(1)
+
+    def do_synthesize(self, target):
+        print("+ Synthesize")
+
+        self.send_file(self.configfile, 'project.cfg')
+        src = self.config.get(target, 'src_vhdl', fallback='').split()
+        for s in src:
+            self.send_file(s)
+        src = self.config.get(target, 'src_verilog', fallback='').split()
+        for s in src:
+            self.send_file(s)
+        src = self.config.get(target, 'src_sysverilog', fallback='').split()
+        for s in src:
+            self.send_file(s)
+        src = self.config.get(target, 'src_ip', fallback='').split()
+        for s in src:
+            if self.tc=='ISE':
+                self.send_file(f"{self.config.get('project', 'out_dir', fallback='OUT')}/{target}/{s}/{s}.vhd")
+            elif self.tc=="VIVADO":
+                self.send_file(f"{self.config.get('project', 'out_dir', fallback='OUT')}/{target}/{s}/{s}.xci")
+        if self.tc=="VIVADO":
+            self.send_file(f"{self.config.get(target, 'src_constraints', fallback='__con__')}")
+
+        self.heartbeat.printing = True
+        self.cmd(b'do'+self.sstr(f'syn {target}'))
+        res = struct.unpack('>I', self.channel.recv(4))[0]
+        self.heartbeat.printing = False
+        print(f' [{res}]')
+
+        if res != 0:
+            print("Some error occured...")
+            if self.tc=='ISE':
+                self.recv_file(f"{self.config.get('project', 'out_dir', fallback='OUT')}/{target}/syn.log")
+            elif self.tc=="VIVADO":
+                self.recv_file(f"{self.config.get('project', 'out_dir', fallback='OUT')}/{target}/synth.log")
+            exit(1)
+
+        if self.tc=='ISE':
+            self.recv_file(f"{self.config.get('project', 'out_dir', fallback='OUT')}/{target}/{target}.ngc")
+            self.recv_file(f"{self.config.get('project', 'out_dir', fallback='OUT')}/{target}/{target}.v")
+            self.recv_file(f"{self.config.get('project', 'out_dir', fallback='OUT')}/{target}/syn.log")
+        elif self.tc=="VIVADO":
+            self.recv_file(f"{self.config.get('project', 'out_dir', fallback='OUT')}/{target}/synth.log")
+            self.recv_file(f"{self.config.get('project', 'out_dir', fallback='OUT')}/{target}/post_synth.dcp")
+            self.recv_file(f"{self.config.get('project', 'out_dir', fallback='OUT')}/{target}/synth_netlist.v")
+            self.recv_file(f"{self.config.get('project', 'out_dir', fallback='OUT')}/{target}/synth_netlist.sdf")
+
+    def do_implement(self, target):
+        print("+ Implement")
+
+        self.send_file(self.configfile, 'project.cfg')
+        if self.tc=='ISE':
+            self.send_file(f"{self.config.get('project', 'out_dir', fallback='OUT')}/{target}/{target}.ngc")
+            self.send_file(f"{self.config.get(target, 'src_constraints', fallback='__con__')}")
+        elif self.tc=="VIVADO":
+            self.send_file(f"{self.config.get('project', 'out_dir', fallback='OUT')}/{target}/post_synth.dcp")
+
+        self.heartbeat.printing = True
+        self.cmd(b'do'+self.sstr(f'impl {target}'))
+        res = struct.unpack('>I', self.channel.recv(4))[0]
+        self.heartbeat.printing = False
+        print(f' [{res}]')
+
+        if res != 0:
+            print("Some error occured...")
+            if self.tc=='ISE':
+                # FIXME possible that not all are there
+                self.recv_file(f"{self.config.get('project', 'out_dir', fallback='OUT')}/{target}/impl-ngd.log")
+                self.recv_file(f"{self.config.get('project', 'out_dir', fallback='OUT')}/{target}/impl-map.log")
+                self.recv_file(f"{self.config.get('project', 'out_dir', fallback='OUT')}/{target}/impl-par.log")
+            elif self.tc=="VIVADO":
+                self.recv_file(f"{self.config.get('project', 'out_dir', fallback='OUT')}/{target}/impl.log")
+            exit(1)
+
+        if self.tc=='ISE':
+            self.recv_file(f"{self.config.get('project', 'out_dir', fallback='OUT')}/{target}/impl-ngd.log")
+            self.recv_file(f"{self.config.get('project', 'out_dir', fallback='OUT')}/{target}/impl-map.log")
+            self.recv_file(f"{self.config.get('project', 'out_dir', fallback='OUT')}/{target}/impl-par.log")
+            self.recv_file(f"{self.config.get('project', 'out_dir', fallback='OUT')}/{target}/{target}.map.v")
+            self.recv_file(f"{self.config.get('project', 'out_dir', fallback='OUT')}/{target}/{target}.map.sdf")
+            self.recv_file(f"{self.config.get('project', 'out_dir', fallback='OUT')}/{target}/{target}.ncd")
+            self.recv_file(f"{self.config.get('project', 'out_dir', fallback='OUT')}/{target}/{target}.pcf")
+        elif self.tc=="VIVADO":
+            self.recv_file(f"{self.config.get('project', 'out_dir', fallback='OUT')}/{target}/impl.log")
+            self.recv_file(f"{self.config.get('project', 'out_dir', fallback='OUT')}/{target}/post_impl.dcp")
+
+    def do_bit(self, target):
+        print("+ Generate output files")
+
+        self.send_file(self.configfile, 'project.cfg')
+        if self.tc=='ISE':
+            self.send_file(f"{self.config.get('project', 'out_dir', fallback='OUT')}/{target}/{target}.ncd")
+            self.send_file(f"{self.config.get('project', 'out_dir', fallback='OUT')}/{target}/{target}.pcf")
+        elif self.tc=="VIVADO":
+            self.send_file(f"{self.config.get('project', 'out_dir', fallback='OUT')}/{target}/post_impl.dcp")
+
+        self.heartbeat.printing = True
+        self.cmd(b'do'+self.sstr(f'bit {target}'))
+        res = struct.unpack('>I', self.channel.recv(4))[0]
+        self.heartbeat.printing = False
+        print(f' [{res}]')
+
+        if res != 0:
+            print("Some error occured...")
+            if self.tc=='ISE':
+                # TODO what to send?
+                pass
+            elif self.tc=="VIVADO":
+                self.recv_file(f"{self.config.get('project', 'out_dir', fallback='OUT')}/{target}/bit.log")
+            exit(1)
+
+        if self.tc=='ISE':
+            self.recv_file(f"{self.config.get('project', 'out_dir', fallback='OUT')}/{target}/timing.log")
+            self.recv_file(f"{self.config.get('project', 'out_dir', fallback='OUT')}/{target}/{target}.bit")
+            self.recv_file(f"{self.config.get('project', 'out_dir', fallback='OUT')}/{target}/{target}.bin")
+        elif self.tc=="VIVADO":
+            self.recv_file(f"{self.config.get('project', 'out_dir', fallback='OUT')}/{target}/bit.log")
+            self.recv_file(f"{self.config.get('project', 'out_dir', fallback='OUT')}/{target}/out.bit")
+            self.recv_file(f"{self.config.get('project', 'out_dir', fallback='OUT')}/{target}/out.bin")
+            self.recv_file(f"{self.config.get('project', 'out_dir', fallback='OUT')}/{target}/power.log")
+            self.recv_file(f"{self.config.get('project', 'out_dir', fallback='OUT')}/{target}/timing.log")
+            self.recv_file(f"{self.config.get('project', 'out_dir', fallback='OUT')}/{target}/util.log")
+            self.recv_file(f"{self.config.get('project', 'out_dir', fallback='OUT')}/{target}/system.xsa")
+            self.recv_file(f"{self.config.get('project', 'out_dir', fallback='OUT')}/{target}/total.dcp")
+            self.recv_file(f"{self.config.get('project', 'out_dir', fallback='OUT')}/{target}/impl_netlist.sdf")
+            self.recv_file(f"{self.config.get('project', 'out_dir', fallback='OUT')}/{target}/impl_netlist.v")
+
+    def do_floorplan(self, target):
+        print("Error: floorplan editing not implemented for remote execution")
+        exit(1)
+
+    def do_sim(self, target):
+        print("+ Simulate")
+
+        self.send_file(self.configfile, 'project.cfg')
+
+        src = self.config.get(target, 'src_vhdl', fallback='').split()
+        for s in src:
+            self.send_file(s)
+        src = self.config.get(target, 'src_verilog', fallback='').split()
+        for s in src:
+            self.send_file(s)
+        src = self.config.get(target, 'src_sysverilog', fallback='').split()
+        for s in src:
+            self.send_file(s)
+        src = self.config.get(target, 'src_sdf', fallback='')
+        if src!='':
+            self.send_file(src)
+        src = self.config.get(target, 'src_ip', fallback='').split()
+        for s in src:
+            if self.tc=='ISE':
+                self.send_file(f"{self.config.get('project', 'out_dir', fallback='OUT')}/{target}/{s}/{s}.vhd")
+            elif self.tc=="VIVADO":
+                self.send_file(f"{self.config.get('project', 'out_dir', fallback='OUT')}/{target}/{s}/{s}.xci")
+        if self.tc=="VIVADO":
+            src = self.config.get(target, 'src_c', fallback='').split()
+            for s in src:
+                self.send_file(s)
+
+        self.heartbeat.printing = True
+        self.cmd(b'do'+self.sstr(f'sim {target}'))
+        res = struct.unpack('>I', self.channel.recv(4))[0]
+        self.heartbeat.printing = False
+        print(f' [{res}]')
+
+        self.recv_dir(f"{self.config.get('project', 'out_dir', fallback='OUT')}/{target}")
\ No newline at end of file
diff --git a/remotesyn/exec_VIVADO.py b/remotesyn/exec_VIVADO.py
new file mode 100644
index 0000000..53b4994
--- /dev/null
+++ b/remotesyn/exec_VIVADO.py
@@ -0,0 +1,402 @@
+import os
+import shutil
+import subprocess
+import time
+import glob
+
+class exec_VIVADO:
+    def __init__(self, config, builddir):
+        self.config = config
+        self.builddir = builddir
+        self.create_builddir()
+
+    def create_outdir(self, target):
+        self.outdir = self.config.get('project', 'out_dir', fallback='OUT')
+        if not os.path.exists(self.outdir):
+            os.mkdir(self.outdir)
+        if not os.path.exists(f'{self.outdir}/{target}'):
+            os.mkdir(f'{self.outdir}/{target}')
+
+    def create_builddir(self):
+        if not os.path.exists(self.builddir):
+            os.mkdir(self.builddir)
+
+    def enter_builddir(self):
+        self.curdir = os.getcwd()
+        os.chdir(self.builddir)
+
+    def leave_builddir(self):
+        os.chdir(self.curdir)
+
+    def do_ip_gen(self, target):
+        # get used IP's for target
+        ips = self.config.get(target, 'src_ip', fallback='').split()
+        self.create_outdir(target)
+
+        print("+ Generate IPs")
+
+        dev = self.config.get('target', 'device', fallback='_d_')
+        sgrade = self.config.get('target', 'speedgrade', fallback='_s_')
+        pkg = self.config.get('target', 'package', fallback='_p_')
+
+        for i, ip in enumerate(ips):
+            self.enter_builddir()
+            ipsec = 'ip_%s'%ip
+            ipname = self.config.get(ipsec, ipsec)
+
+            ipconfig = '[ list \\\n'
+            for s in self.config[ipsec]:
+                if s==ipsec:
+                    continue
+                ipconfig += f'    CONFIG.{s.upper()} {{{self.config.get(ipsec, s)}}}\\\n'
+            ipconfig += '  ]'
+
+            with open('do.tcl', 'w') as f:
+                f.write(f"file mkdir {ip}\ncreate_project -in_memory\nset_property part {dev}{pkg}{sgrade} [current_project]\n")
+                f.write(f"create_ip -name {ipname.split(':')[2]} -vendor {ipname.split(':')[1]} -library {ipname.split(':')[0 ]} -module_name {ip} -dir {ip}\n")
+                f.write(f"set_property -dict {ipconfig} [ get_ips {ip} ]\n")
+                f.write(f"export_ip_user_files -of_objects [get_files {ip}/{ip}/{ip}.xci ] -no_script -sync -force -quiet\n")
+                f.write(f"upgrade_ip [get_ips]\ngenerate_target all [get_ips]\n#synth_ip [get_ips]\n")
+                # f.write(f"export_simulation -directory {ip} -simulator xsim -absolute_path -export_source_files -of_objects [get_files {ip}/{ip}/{ip}.xci]")
+
+            pid = subprocess.Popen('vivado -mode batch -source do.tcl', shell=True, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
+            while pid.poll() is None:
+                print('.', end='', flush=True)
+                time.sleep(2)
+            ret = pid.returncode
+            print('')
+
+            if ret != 0:
+                self.leave_builddir()
+                if not os.path.exists(f'{self.outdir}/{target}/{ip}'):
+                    os.mkdir(f'{self.outdir}/{target}/{ip}')
+                shutil.copyfile(f"{self.builddir}/vivado.log", f'{self.outdir}/{target}/{ip}/log.log')
+                exit(ret)
+
+            self.leave_builddir()
+            if not os.path.exists(f'{self.outdir}/{target}/{ip}'):
+                os.mkdir(f'{self.outdir}/{target}/{ip}')
+            shutil.copyfile(f"{self.builddir}/{ip}/{ip}/{ip}.vho", f'{self.outdir}/{target}/{ip}/{ip}.vho')
+            shutil.copyfile(f"{self.builddir}/{ip}/{ip}/{ip}.veo", f'{self.outdir}/{target}/{ip}/{ip}.veo')
+            shutil.copyfile(f"{self.builddir}/{ip}/{ip}/{ip}.xci", f'{self.outdir}/{target}/{ip}/{ip}.xci')
+            shutil.copyfile(f"{self.builddir}/vivado.log", f'{self.outdir}/{target}/{ip}/log.log')
+
+            for f in glob.glob(f"{self.builddir}/{ip}/{ip}/*.c"):
+                shutil.copy(f, f'{self.outdir}/{target}/{ip}/')
+            for f in glob.glob(f"{self.builddir}/{ip}/{ip}/*.h"):
+                shutil.copy(f, f'{self.outdir}/{target}/{ip}/')
+
+    def do_synthesize(self, target):
+        self.create_outdir(target)
+        self.enter_builddir()
+
+        print('+ Synthesize')
+
+        extra_opts = self.config.get(target, 'extra_options').split('\n')
+        opts = {}
+        for o in extra_opts:
+            tp = o.split()[0]
+            op = ' '.join(o.split()[1:])
+            opts[tp] = op
+
+        if 'syn' not in opts:
+            opts['syn'] = ''
+
+        if 'netlist_top' not in opts:
+            opts['netlist_top'] = self.config.get(target, 'toplevel', fallback='toplevel')
+
+        dev = self.config.get('target', 'device', fallback='_d_')
+        sgrade = self.config.get('target', 'speedgrade', fallback='_s_')
+        pkg = self.config.get('target', 'package', fallback='_p_')
+
+        with open('do.tcl', 'w') as f:
+            src = self.config.get(target, 'src_vhdl', fallback='').split()
+            for s in src:
+                f.write(f'read_vhdl "{self.curdir}/{s}"\n')
+            src = self.config.get(target, 'src_verilog', fallback='').split()
+            for s in src:
+                f.write(f'read_verilog "{self.curdir}/{s}"\n')
+            src = self.config.get(target, 'src_sysverilog', fallback='').split()
+            for s in src:
+                f.write(f'read_verilog -sv "{self.curdir}/{s}"\n')
+            src = self.config.get(target, 'src_constraints', fallback='')
+            f.write(f'read_xdc "{self.curdir}/{src}"\n')
+            src = self.config.get(target, 'src_ip', fallback='').split()
+            for s in src:
+                if os.path.exists(s):
+                    shutil.rmtree(s)
+                os.mkdir(s)
+                shutil.copyfile(f'{self.curdir}/{self.outdir}/{target}/{s}/{s}.xci', f'{s}/{s}.xci')
+                f.write(f'read_ip "{s}/{s}.xci"\n')
+
+            f.write(f"set_property part {dev}{pkg}{sgrade} [current_project]\n")
+            f.write(f"upgrade_ip [get_ips]\ngenerate_target all [get_ips]\nsynth_ip [get_ips]\n")
+            f.write(f"synth_design -top {self.config.get(target, 'toplevel', fallback='toplevel')} -part {dev}{pkg}{sgrade} {opts['syn']}\n")
+
+            f.write(f"write_checkpoint -force post_synth.dcp\nwrite_verilog -force -mode timesim -cell {opts['netlist_top']} -sdf_anno true -nolib netlist.v\n")
+            f.write(f"write_sdf -force -cell {opts['netlist_top']} -mode timesim netlist.sdf\n")
+
+        pid = subprocess.Popen('vivado -mode batch -source do.tcl', shell=True, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
+        while pid.poll() is None:
+            print('.', end='', flush=True)
+            time.sleep(2)
+        ret = pid.returncode
+        print('')
+
+        if ret != 0:
+            self.leave_builddir()
+            shutil.copyfile(f"{self.builddir}/vivado.log", f'{self.outdir}/{target}/synth.log')
+            exit(ret)
+
+        self.leave_builddir()
+        shutil.copyfile(f'{self.builddir}/netlist.v', f'{self.outdir}/{target}/synth_netlist.v')
+        shutil.copyfile(f'{self.builddir}/netlist.sdf', f'{self.outdir}/{target}/synth_netlist.sdf')
+        shutil.copyfile(f'{self.builddir}/post_synth.dcp', f'{self.outdir}/{target}/post_synth.dcp')
+        shutil.copyfile(f"{self.builddir}/vivado.log", f'{self.outdir}/{target}/synth.log')
+
+    def do_implement(self, target):
+        self.create_outdir(target)
+        self.enter_builddir()
+
+        print('+ Implement')
+
+        extra_opts = self.config.get(target, 'extra_options').split('\n')
+        opts = {}
+        for o in extra_opts:
+            tp = o.split()[0]
+            op = ' '.join(o.split()[1:])
+            opts[tp] = op
+
+        if 'opt' not in opts:
+            opts['opt'] = ''
+        if 'place' not in opts:
+            opts['place'] = ''
+        if 'route' not in opts:
+            opts['route'] = ''
+
+        with open('do.tcl', 'w') as f:
+            f.write(f"open_checkpoint {self.curdir}/{self.outdir}/{target}/post_synth.dcp\n")
+            f.write(f"opt_design {opts['opt']}\nplace_design {opts['place']}\nroute_design {opts['route']}\n")
+            f.write(f"write_checkpoint -force {self.curdir}/{self.outdir}/{target}/post_impl.dcp\n")
+
+        pid = subprocess.Popen('vivado -mode batch -source do.tcl', shell=True, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
+        while pid.poll() is None:
+            print('.', end='', flush=True)
+            time.sleep(2)
+        ret = pid.returncode
+        print('')
+
+        if ret != 0:
+            self.leave_builddir()
+            shutil.copyfile(f"{self.builddir}/vivado.log", f'{self.outdir}/{target}/impl.log')
+            exit(ret)
+
+        self.leave_builddir()
+        shutil.copyfile(f"{self.builddir}/vivado.log", f'{self.outdir}/{target}/impl.log')
+
+    def do_bit(self, target):
+        self.create_outdir(target)
+        self.enter_builddir()
+
+        print('+ Generate output files')
+
+        extra_opts = self.config.get(target, 'extra_options').split('\n')
+        opts = {}
+        for o in extra_opts:
+            tp = o.split()[0]
+            op = ' '.join(o.split()[1:])
+            opts[tp] = op
+
+        if 'netlist_top' not in opts:
+            opts['netlist_top'] = self.config.get(target, 'toplevel', fallback='toplevel')
+
+        with open('do.tcl', 'w') as f:
+            f.write(f"open_checkpoint {self.curdir}/{self.outdir}/{target}/post_impl.dcp\n")
+            f.write(f"set_property SEVERITY {{Warning}} [get_drc_checks NSTD-1]\nset_property SEVERITY {{Warning}} [get_drc_checks UCIO-1]\n")
+            f.write(f"set_property BITSTREAM.General.UnconstrainedPins {{Allow}} [current_design]\n")
+            f.write(f"write_debug_probes -force out.ltx\nwrite_bitstream -force -bin_file out.bit\nreport_timing_summary -file timing.log\nreport_power -file power.log\n")
+            f.write(f"report_utilization -file util.log\n")
+            f.write(f"write_checkpoint -force {self.curdir}/{self.outdir}/{target}/total.dcp\n")
+            f.write(f"open_checkpoint {self.curdir}/{self.outdir}/{target}/total.dcp\n")
+            f.write(f"write_hw_platform -fixed -force -file {self.curdir}/{self.outdir}/{target}/system.xsa\n")
+            f.write(f"write_verilog -force -mode timesim -cell {opts['netlist_top']} -rename_top {opts['netlist_top']} -sdf_anno true netlist.v\n") # -nolib
+            f.write(f"write_sdf -force -cell {opts['netlist_top']} -rename_top {opts['netlist_top']} -mode timesim netlist.sdf\n")
+
+        pid = subprocess.Popen('vivado -mode batch -source do.tcl', shell=True, stderr=subprocess.DEVNULL, stdout=subprocess.DEVNULL)
+        while pid.poll() is None:
+            print('.', end='', flush=True)
+            time.sleep(2)
+        ret = pid.returncode
+        print('')
+
+        if ret != 0:
+            self.leave_builddir()
+            shutil.copyfile(f"{self.builddir}/vivado.log", f'{self.outdir}/{target}/bit.log')
+            exit(ret)
+
+        self.leave_builddir()
+
+        shutil.copyfile(f"{self.builddir}/vivado.log", f'{self.outdir}/{target}/bit.log')
+        shutil.copyfile(f"{self.builddir}/timing.log", f'{self.outdir}/{target}/timing.log')
+        shutil.copyfile(f"{self.builddir}/util.log", f'{self.outdir}/{target}/util.log')
+        shutil.copyfile(f"{self.builddir}/power.log", f'{self.outdir}/{target}/power.log')
+        shutil.copyfile(f"{self.builddir}/out.bit", f'{self.outdir}/{target}/out.bit')
+        shutil.copyfile(f"{self.builddir}/out.bin", f'{self.outdir}/{target}/out.bin')
+        shutil.copyfile(f"{self.builddir}/netlist.v", f'{self.outdir}/{target}/impl_netlist.v')
+        shutil.copyfile(f"{self.builddir}/netlist.sdf", f'{self.outdir}/{target}/impl_netlist.sdf')
+
+    def do_floorplan(self, target):
+        self.create_outdir(target)
+        self.enter_builddir()
+
+        print('+ Open floorplan viewer')
+
+        with open('do.tcl', 'w') as f:
+            f.write(f"open_checkpoint {self.curdir}/{self.outdir}/{target}/post_impl.dcp\n")
+            f.write(f"start_gui")
+
+        pid = subprocess.Popen('vivado -mode batch -source do.tcl', shell=True, stderr=subprocess.DEVNULL, stdout=subprocess.DEVNULL)
+        while pid.poll() is None:
+            print('.', end='', flush=True)
+            time.sleep(2)
+        ret = pid.returncode
+        print('')
+
+        self.leave_builddir()
+
+        if ret != 0:
+            exit(ret)
+
+    def do_sim(self, target):
+        self.create_outdir(target)
+        self.enter_builddir()
+
+        print('+ Simulate')
+
+        if os.path.exists('sim'):
+            shutil.rmtree('sim')
+
+        dev = self.config.get('target', 'device', fallback='_d_')
+        sgrade = self.config.get('target', 'speedgrade', fallback='_s_')
+        pkg = self.config.get('target', 'package', fallback='_p_')
+
+        with open('do.tcl', 'w') as f:
+            f.write(f"create_project -force -part {dev}{pkg}{sgrade} sim sim\n")
+            src = self.config.get(target, 'src_vhdl', fallback='').split()
+            for s in src:
+                f.write(f'add_files -norecurse -scan_for_includes {self.curdir}/{s}\n')
+                f.write(f'import_files -norecurse {self.curdir}/{s}\n')
+            src = self.config.get(target, 'src_verilog', fallback='').split()
+            for s in src:
+                f.write(f'add_files -norecurse -scan_for_includes {self.curdir}/{s}\n')
+                f.write(f'import_files -norecurse {self.curdir}/{s}\n')
+            src = self.config.get(target, 'src_sysverilog', fallback='').split()
+            for s in src:
+                f.write(f'add_files -norecurse -scan_for_includes {self.curdir}/{s}\n')
+                f.write(f'import_files -norecurse {self.curdir}/{s}\n')
+            src = self.config.get(target, 'src_ip', fallback='').split()
+            for s in src:
+                f.write(f'add_files -norecurse {self.curdir}/{self.outdir}/{s}/{s}.xci\n')
+            src = self.config.get(target, 'src_c', fallback='').split()
+            for s in src:
+                if s.endswith('.h'):
+                    continue
+                f.write(f'add_files -norecurse -scan_for_includes {self.curdir}/{s}\n')
+                f.write(f'import_files -norecurse {self.curdir}/{s}\n')
+
+            if self.config.get(target, 'src_sdf', fallback='__sdf__') != '__sdf__':
+                s = self.config.get(target, 'src_sdf', fallback='__sdf__')
+                f.write(f'add_files -norecurse -scan_for_includes {self.curdir}/{s}\n')
+                f.write(f'import_files -norecurse {self.curdir}/{s}\n')
+                f.write(f"file mkdir sim/sim.sim/sim_1/behav/xsim\nfile copy -force {self.curdir}/{s} {self.curdir}/{self.builddir}/sim/sim.sim/sim_1/behav/xsim/netlist.sdf\n")
+                # f.write(f"file mkdir sim/sim.sim/sim_1/behav/xsim\nfile copy -force {self.curdir}/{s} {self.curdir}/{self.builddir}/sim/sim.sim/sim_1/behav/xsim/{os.path.split(s)[1]}\n")
+
+            f.write(f"set_property top {self.config.get(target, 'toplevel', fallback='toplevel')} [get_filesets sim_1]\n")
+            f.write("set_property top_lib xil_defaultlib [get_filesets sim_1]\n")
+            f.write("launch_simulation -noclean_dir -scripts_only -absolute_path\n")
+
+        pid = subprocess.Popen('vivado -mode batch -source do.tcl', shell=True, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
+        while pid.poll() is None:
+            print('.', end='', flush=True)
+            time.sleep(2)
+        ret = pid.returncode
+        print('')
+
+        if ret != 0:
+            self.leave_builddir()
+            print("Something went wrong...")
+            shutil.copyfile(f"{self.builddir}/vivado.log", f'{self.outdir}/{target}/prepare.log')
+            exit(ret)
+
+        shutil.copyfile(f"vivado.log", f'{self.curdir}/{self.outdir}/{target}/prepare.log')
+
+        extras = ''
+        if self.config.get(target, 'simtype', fallback='presim') == 'postsim':
+            extras = f"-{self.config.get(target, 'delay', fallback='typ')}delay -transport_int_delays -pulse_r 0 -pulse_int_r 0 -L simprims_ver"
+
+        pid = subprocess.Popen(f'sed -i "s/xelab/xelab {extras}/g" elaborate.sh', shell=True, cwd='sim/sim.sim/sim_1/behav/xsim', stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
+        while pid.poll() is None:
+            print('.', end='', flush=True)
+            time.sleep(2)
+        ret = pid.returncode
+        print('')
+        if ret!=0:
+            print("Something went wrong with editing elaborate stage...")
+            exit(ret)
+
+        if self.config.get(target, 'simtype', fallback='presim') == 'postsim':
+            pid = subprocess.Popen(f"sed -i '/ \/I /d' netlist.sdf && sed -i '/glbl.v/d' *.prj", shell=True, cwd='sim/sim.sim/sim_1/behav/xsim', stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
+            # pid = subprocess.Popen(f"sed -i '/glbl.v/d' *.prj", shell=True, cwd='sim/sim.sim/sim_1/behav/xsim', stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
+            while pid.poll() is None:
+                print('.', end='', flush=True)
+                time.sleep(2)
+            ret = pid.returncode
+            print('')
+            if ret!=0:
+                print("Something went wrong with editing project files...")
+                exit(ret)
+
+        pid = subprocess.Popen(f'bash compile.sh', shell=True, cwd='sim/sim.sim/sim_1/behav/xsim', stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
+        while pid.poll() is None:
+            print('.', end='', flush=True)
+            time.sleep(2)
+        ret = pid.returncode
+        print('')
+        if ret!=0:
+            self.leave_builddir()
+            print("Compile error")
+            shutil.copyfile(f"{self.builddir}/sim/sim.sim/sim_1/behav/xsim/compile.log", f'{self.outdir}/{target}/compile.log')
+            exit(ret)
+        shutil.copyfile(f"{self.curdir}/{self.builddir}/sim/sim.sim/sim_1/behav/xsim/compile.log", f'{self.curdir}/{self.outdir}/{target}/compile.log')
+
+        pid = subprocess.Popen(f'bash elaborate.sh', shell=True, cwd='sim/sim.sim/sim_1/behav/xsim', stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
+        while pid.poll() is None:
+            print('.', end='', flush=True)
+            time.sleep(2)
+        ret = pid.returncode
+        print('')
+        if ret!=0:
+            self.leave_builddir()
+            print("Elaborate error")
+            shutil.copyfile(f"{self.builddir}/sim/sim.sim/sim_1/behav/xsim/elaborate.log", f'{self.outdir}/{target}/elaborate.log')
+            exit(ret)
+        shutil.copyfile(f"{self.curdir}/{self.builddir}/sim/sim.sim/sim_1/behav/xsim/elaborate.log", f'{self.curdir}/{self.outdir}/{target}/elaborate.log')
+
+        with open(f"sim/sim.sim/sim_1/behav/xsim/{self.config.get(target, 'toplevel', fallback='toplevel')}.tcl", 'w') as f:
+            f.write(f"open_vcd out.vcd\nlog_vcd\nrun {self.config.get(target, 'runtime', fallback='100 ns')}\nclose_vcd\nquit\n")
+
+        pid = subprocess.Popen(f'bash simulate.sh', shell=True, cwd='sim/sim.sim/sim_1/behav/xsim', stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
+        while pid.poll() is None:
+            print('.', end='', flush=True)
+            time.sleep(2)
+        ret = pid.returncode
+        print('')
+        if ret!=0:
+            self.leave_builddir()
+            print("Simulation error")
+            shutil.copyfile(f"{self.builddir}/sim/sim.sim/sim_1/behav/xsim/simulate.log", f'{self.outdir}/{target}/simulate.log')
+            exit(ret)
+        shutil.copyfile(f"{self.curdir}/{self.builddir}/sim/sim.sim/sim_1/behav/xsim/simulate.log", f'{self.curdir}/{self.outdir}/{target}/simulate.log')
+
+        self.leave_builddir()
+        shutil.copyfile(f'{self.builddir}/sim/sim.sim/sim_1/behav/xsim/out.vcd', f'{self.outdir}/{target}/output.vcd')
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..aa35c71
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1 @@
+paramiko
\ No newline at end of file
diff --git a/scripts/remotesyn b/scripts/remotesyn
new file mode 100644
index 0000000..77765c5
--- /dev/null
+++ b/scripts/remotesyn
@@ -0,0 +1,233 @@
+#!/usr/bin/env python3
+
+import sys
+import os
+import configparser
+import paramiko
+import socket
+
+from remotesyn import Connection, exec_ISE, exec_VIVADO, exec_REMOTE
+
+def server(accidentals, positionals):
+    addr = accidentals['server'].split(':')
+    if len(addr)!=2:
+        print("Host address must be in form hostname:port")
+        exit(1)
+    host_key = paramiko.RSAKey(filename=accidentals['privkey'])
+    sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+    sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+    sock.bind((addr[0], int(addr[1])))
+    sock.listen(100)
+
+    # Get authorized hosts
+    with open(accidentals['authorized'], 'r') as f:
+        authorized = f.read().split('\n')
+
+    running = True
+    threads = []
+    try:
+        while running:
+            client, addr = sock.accept()
+            conn = Connection(client, addr, host_key, authorized)
+            conn.start()
+            threads.append(conn)
+    except KeyboardInterrupt:
+        print("Stopping server")
+        running = False
+        for t in threads:
+            t.stop()
+    finally:
+        sock.close()
+
+def main(accidentals, positionals):
+    if 'server' in accidentals:
+        return server(accidentals, positionals)
+    elif 'local' in accidentals:
+        config = accidentals['config']
+        if config.get('project', 'toolchain') == 'ISE':
+            execInterface = exec_ISE(config, accidentals['builddir'])
+        else:
+            execInterface = exec_VIVADO(config, accidentals['builddir'])
+    else:
+        config = accidentals['config']
+        execInterface = exec_REMOTE(config, accidentals['configname'])
+
+    i = 0
+    while i< len(positionals):
+        action = positionals[i]
+        i += 1
+
+        if action == 'ip':
+            if i>=len(positionals):
+                print("Unexpected end of input")
+                exit(1)
+            target = positionals[i]
+            i += 1
+            execInterface.do_ip_gen(target)
+
+        elif action == 'syn':
+            if i>=len(positionals):
+                print("Unexpected end of input")
+                exit(1)
+            target = positionals[i]
+            i += 1
+            execInterface.do_synthesize(target)
+
+        elif action == 'impl':
+            if i>=len(positionals):
+                print("Unexpected end of input")
+                exit(1)
+            target = positionals[i]
+            i += 1
+            execInterface.do_implement(target)
+
+        elif action == 'bit':
+            if i>=len(positionals):
+                print("Unexpected end of input")
+                exit(1)
+            target = positionals[i]
+            i += 1
+            execInterface.do_bit(target)
+
+        elif action == 'all':
+            if i>=len(positionals):
+                print("Unexpected end of input")
+                exit(1)
+            target = positionals[i]
+            i += 1
+            execInterface.do_synthesize(target)
+            execInterface.do_implement(target)
+            execInterface.do_bit(target)
+
+        elif action == 'floorplan':
+            if i>=len(positionals):
+                print("Unexpected end of input")
+                exit(1)
+            target = positionals[i]
+            i += 1
+            execInterface.do_floorplan(target)
+
+        elif action == 'sim':
+            if i>=len(positionals):
+                print("Unexpected end of input")
+                exit(1)
+            target = positionals[i]
+            i += 1
+            execInterface.do_sim(target)
+
+        else:
+            print("Unknown action...")
+            exit(1)
+
+def print_help():
+    print("Unified FPGA synthesizer frontend\r\n(c) Joppe Blondel - 2022\r\n")
+    print(f"Usage: {sys.argv[0]} [ OPTIONS ] action [ target ] ...")
+    print("where OPTIONS := { -h | -l | -s host:port privkey pubkey authorized | -c config | -b build_dir }")
+    print("      action  := { ip | syn | impl | bit | all | floorplan | sim | init }")
+    print("")
+    print("Options:")
+    print("  -h                 Show this help message")
+    print("  -l                 Local build")
+    print("  -s <s-info>        Start server with server information s-info. host:port is the address to bind")
+    print("                     to, privkey and pubkey are the ssh keys of the server and authorized is the")
+    print("                     authorized_keys file for the SSH server")
+    print("  -c <file>          Configuration file, defaults to project.cfg")
+    print("  -b <dir>           Build directory, defaults to .build")
+    print("")
+    print("Actions:")
+    print("ip <target>          Generate IP files from vendor provided libraries")
+    print("syn <target>         Synthesize design for target")
+    print("impl <target>        Route and place design for target")
+    print("bit <target>         Generate output files and run analysis for target")
+    print("all <target>         Generate IP, synthesize, route and place design for target")
+    print("floorplan <target>   Run floorplan editor, currently only for local execution")
+    print("sim <simtarget>      Run simulation target")
+    print("init                 Initialize project")
+
+if __name__=="__main__":
+    accidentals = {}
+    positionals = []
+
+    if len(sys.argv)==1:
+        print_help()
+        exit(1)
+
+    i = 1
+    while i<len(sys.argv):
+        if sys.argv[i].startswith('-'):
+            if sys.argv[i] == '-h':
+                print_help()
+                exit(0)
+            elif sys.argv[i] == '-l':
+                accidentals['local'] = True
+            elif sys.argv[i] == '-s':
+                if i+1>=len(sys.argv):
+                    print("Unexpected end of input")
+                    exit(1)
+                accidentals['server'] = sys.argv[i+1]
+                i += 1
+                if i+1>=len(sys.argv):
+                    print("Unexpected end of input")
+                    exit(1)
+                accidentals['privkey'] = sys.argv[i+1]
+                i += 1
+                if i+1>=len(sys.argv):
+                    print("Unexpected end of input")
+                    exit(1)
+                accidentals['pubkey'] = sys.argv[i+1]
+                i += 1
+                if i+1>=len(sys.argv):
+                    print("Unexpected end of input")
+                    exit(1)
+                accidentals['authorized'] = sys.argv[i+1]
+                i += 1
+            elif sys.argv[i] == '-c':
+                if i+1>=len(sys.argv):
+                    print("Unexpected end of input")
+                    exit(1)
+                accidentals['config'] = sys.argv[i+1]
+                i += 1
+            elif sys.argv[i] == '-b':
+                if i+1>=len(sys.argv):
+                    print("Unexpected end of input")
+                    exit(1)
+                accidentals['builddir'] = sys.argv[i+1]
+                i += 1
+
+        else:
+            if sys.argv[i] == 'init':
+                print("+ Generate example configuration file")
+                with open('example.cfg', 'w') as f:
+                    f.write("# PROJECT SETTINGS\n")
+                    f.write("# ----------------\n")
+                    f.write("[server]\nhostname = localhost\nport = 8080\nprivkey = keys/id_rsa\npubkey = keys/id_rsa.pub\n\n")
+                    f.write("[project]\n# Toolchain selection. choose between [ISE, VIVADO]\ntoolchain = ISE\nout_dir = OUT\n\n")
+                    f.write("[target]\nfamily = spartan6\ndevice = xc6lsx9\npackage = tgq144\nspeedgrade = -2\n\n")
+                    f.write("# HARDWARE TARGETS\n")
+                    f.write("# ----------------\n")
+                    f.write("src_vhdl = RTL/toplevel.vhd\nsrc_verilog = \nsrc_sysverilog = \n")
+                    f.write("src_constraints = CON/toplevel.ucf\nsrc_ip = \ntoplevel = toplevel\nextra_options = ")
+                exit(1)
+
+            positionals.append(sys.argv[i])
+        i += 1
+
+    if 'config' not in accidentals and 'server' not in accidentals:
+        # Running in client mode and no config file specified -> pick default
+        accidentals['config'] = 'project.cfg'
+
+    if 'config' in accidentals and 'server' not in accidentals:
+        if os.path.exists(accidentals['config']):
+            accidentals['configname'] = accidentals['config']
+            config = configparser.ConfigParser()
+            config.read(accidentals['config'])
+            accidentals['config'] = config
+        else:
+            print(f"Config file \'{accidentals['config']}\' not found")
+            exit(1)
+
+    if ('server' in accidentals or 'local' in accidentals) and 'builddir' not in accidentals:
+        accidentals['builddir'] = '.build'
+
+    main(accidentals, positionals)
+    exit(0)
\ No newline at end of file
diff --git a/setup.cfg b/setup.cfg
new file mode 100644
index 0000000..224a779
--- /dev/null
+++ b/setup.cfg
@@ -0,0 +1,2 @@
+[metadata]
+description-file = README.md
\ No newline at end of file
diff --git a/setup.py b/setup.py
new file mode 100644
index 0000000..e29451e
--- /dev/null
+++ b/setup.py
@@ -0,0 +1,27 @@
+from setuptools import setup
+
+with open("README.md", 'r') as f:
+    long_description = f.read()
+
+setup(
+    name='remotesyn',
+    version='0.1',
+    description='Remote FPGA synthesis abstraction tool',
+
+    author='Joppe Blondel',
+    author_email='joppe@blondel.nl',
+    download_url='',
+    url='https://git.joppeb.nl/joppe/remotesyn',
+
+    keywords = ['FPGA', 'Synthesis', 'Xilinx', 'ISE', 'Vivado',],
+    classifiers=[
+        'Development Status :: 3 - Alpha',
+        'License :: OSI Approved :: BSD License',
+        'Programming Language :: Python :: 3',
+  ],
+
+    packages=['remotesyn'],
+    licence='BSD Licence',
+    install_requires=['paramiko'],
+    scripts=['scripts/remotesyn']
+)
\ No newline at end of file