diff --git a/devscripts/buildserver.py b/devscripts/buildserver.py
new file mode 100644
index 000000000..4fe80edce
--- /dev/null
+++ b/devscripts/buildserver.py
@@ -0,0 +1,272 @@
+#!/usr/bin/python
+
+## This is free and unencumbered software released into the public domain.
+
+## Anyone is free to copy, modify, publish, use, compile, sell, or
+## distribute this software, either in source code form or as a compiled
+## binary, for any purpose, commercial or non-commercial, and by any
+## means.
+
+## In jurisdictions that recognize copyright laws, the author or authors
+## of this software dedicate any and all copyright interest in the
+## software to the public domain. We make this dedication for the benefit
+## of the public at large and to the detriment of our heirs and
+## successors. We intend this dedication to be an overt act of
+## relinquishment in perpetuity of all present and future rights to this
+## software under copyright law.
+
+## THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+## EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+## MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+## IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+## OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+## ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+## OTHER DEALINGS IN THE SOFTWARE.
+
+## For more information, please refer to <http://unlicense.org/>
+
+from BaseHTTPServer import HTTPServer, BaseHTTPRequestHandler
+from SocketServer import ThreadingMixIn
+import getopt, threading, sys, urlparse, _winreg, os, subprocess, shutil, tempfile
+
+
+class BuildHTTPServer(ThreadingMixIn, HTTPServer):
+    allow_reuse_address = True
+
+
+def usage():
+    print 'Usage: %s [options]'
+    print 'Options:'
+    print
+    print '  -h, --help               Display this help'
+    print '  -i, --install            Launch at session startup'
+    print '  -u, --uninstall          Do not launch at session startup'
+    print '  -b, --bind <host[:port]> Bind to host:port (default localhost:8142)'
+    sys.exit(0)
+
+
+def main(argv):
+    opts, args = getopt.getopt(argv, 'hb:iu', ['help', 'bind=', 'install', 'uninstall'])
+    host = 'localhost'
+    port = 8142
+
+    for opt, val in opts:
+        if opt in ['-h', '--help']:
+            usage()
+        elif opt in ['-b', '--bind']:
+            try:
+                host, port = val.split(':')
+            except ValueError:
+                host = val
+            else:
+                port = int(port)
+        elif opt in ['-i', '--install']:
+            key = _winreg.OpenKey(_winreg.HKEY_CURRENT_USER, r'Software\Microsoft\Windows\CurrentVersion\Run', 0, _winreg.KEY_WRITE)
+            try:
+                _winreg.SetValueEx(key, 'Youtube-dl builder', 0, _winreg.REG_SZ,
+                                   '"%s" "%s" -b %s:%d' % (sys.executable, os.path.normpath(os.path.abspath(sys.argv[0])),
+                                                           host, port))
+            finally:
+                _winreg.CloseKey(key)
+            print 'Installed.'
+            sys.exit(0)
+        elif opt in ['-u', '--uninstall']:
+            key = _winreg.OpenKey(_winreg.HKEY_CURRENT_USER, r'Software\Microsoft\Windows\CurrentVersion\Run', 0, _winreg.KEY_WRITE)
+            try:
+                _winreg.DeleteValue(key, 'Youtube-dl builder')
+            finally:
+                _winreg.CloseKey(key)
+            print 'Uninstalled.'
+            sys.exit(0)
+
+    print 'Listening on %s:%d' % (host, port)
+    srv = BuildHTTPServer((host, port), BuildHTTPRequestHandler)
+    thr = threading.Thread(target=srv.serve_forever)
+    thr.start()
+    raw_input('Hit <ENTER> to stop...\n')
+    srv.shutdown()
+    thr.join()
+
+
+def rmtree(path):
+    for name in os.listdir(path):
+        fname = os.path.join(path, name)
+        if os.path.isdir(fname):
+            rmtree(fname)
+        else:
+            os.chmod(fname, 0666)
+            os.remove(fname)
+    os.rmdir(path)
+
+#==============================================================================
+
+class BuildError(Exception):
+    def __init__(self, output, code=500):
+        self.output = output
+        self.code = code
+
+    def __str__(self):
+        return self.output
+
+
+class HTTPError(BuildError):
+    pass
+
+
+class PythonBuilder(object):
+    def __init__(self, **kwargs):
+        pythonVersion = kwargs.pop('python', '2.7')
+        try:
+            key = _winreg.OpenKey(_winreg.HKEY_LOCAL_MACHINE, r'SOFTWARE\Python\PythonCore\%s\InstallPath' % pythonVersion)
+            try:
+                self.pythonPath, _ = _winreg.QueryValueEx(key, '')
+            finally:
+                _winreg.CloseKey(key)
+        except Exception:
+            raise BuildError('No such Python version: %s' % pythonVersion)
+
+        super(PythonBuilder, self).__init__(**kwargs)
+
+
+class GITInfoBuilder(object):
+    def __init__(self, **kwargs):
+        try:
+            self.user, self.repoName = kwargs['path'][:2]
+            self.rev = kwargs.pop('rev')
+        except ValueError:
+            raise BuildError('Invalid path')
+        except KeyError as e:
+            raise BuildError('Missing mandatory parameter "%s"' % e.args[0])
+
+        path = os.path.join(os.environ['APPDATA'], 'Build archive', self.repoName, self.user)
+        if not os.path.exists(path):
+            os.makedirs(path)
+        self.basePath = tempfile.mkdtemp(dir=path)
+        self.buildPath = os.path.join(self.basePath, 'build')
+
+        super(GITInfoBuilder, self).__init__(**kwargs)
+
+
+class GITBuilder(GITInfoBuilder):
+    def build(self):
+        try:
+            subprocess.check_output(['git', 'clone', 'git://github.com/%s/%s.git' % (self.user, self.repoName), self.buildPath])
+            subprocess.check_output(['git', 'checkout', self.rev], cwd=self.buildPath)
+        except subprocess.CalledProcessError as e:
+            raise BuildError(e.output)
+
+        super(GITBuilder, self).build()
+
+
+class YoutubeDLBuilder(object):
+    authorizedUsers = ['fraca7', 'phihag', 'rg3', 'FiloSottile']
+
+    def __init__(self, **kwargs):
+        if self.repoName != 'youtube-dl':
+            raise BuildError('Invalid repository "%s"' % self.repoName)
+        if self.user not in self.authorizedUsers:
+            raise HTTPError('Unauthorized user "%s"' % self.user, 401)
+
+        super(YoutubeDLBuilder, self).__init__(**kwargs)
+
+    def build(self):
+        try:
+            subprocess.check_output([os.path.join(self.pythonPath, 'python.exe'), 'setup.py', 'py2exe'],
+                                    cwd=self.buildPath)
+        except subprocess.CalledProcessError as e:
+            raise BuildError(e.output)
+
+        super(YoutubeDLBuilder, self).build()
+
+
+class DownloadBuilder(object):
+    def __init__(self, **kwargs):
+        self.handler = kwargs.pop('handler')
+        self.srcPath = os.path.join(self.buildPath, *tuple(kwargs['path'][2:]))
+        self.srcPath = os.path.abspath(os.path.normpath(self.srcPath))
+        if not self.srcPath.startswith(self.buildPath):
+            raise HTTPError(self.srcPath, 401)
+
+        super(DownloadBuilder, self).__init__(**kwargs)
+
+    def build(self):
+        if not os.path.exists(self.srcPath):
+            raise HTTPError('No such file', 404)
+        if os.path.isdir(self.srcPath):
+            raise HTTPError('Is a directory: %s' % self.srcPath, 401)
+
+        self.handler.send_response(200)
+        self.handler.send_header('Content-Type', 'application/octet-stream')
+        self.handler.send_header('Content-Disposition', 'attachment; filename=%s' % os.path.split(self.srcPath)[-1])
+        self.handler.send_header('Content-Length', str(os.stat(self.srcPath).st_size))
+        self.handler.end_headers()
+
+        with open(self.srcPath, 'rb') as src:
+            shutil.copyfileobj(src, self.handler.wfile)
+
+        super(DownloadBuilder, self).build()
+
+
+class CleanupTempDir(object):
+    def build(self):
+        try:
+            rmtree(self.basePath)
+        except Exception as e:
+            print 'WARNING deleting "%s": %s' % (self.basePath, e)
+
+        super(CleanupTempDir, self).build()
+
+
+class Null(object):
+    def __init__(self, **kwargs):
+        pass
+
+    def start(self):
+        pass
+
+    def close(self):
+        pass
+
+    def build(self):
+        pass
+
+
+class Builder(PythonBuilder, GITBuilder, YoutubeDLBuilder, DownloadBuilder, CleanupTempDir, Null):
+    pass
+
+
+class BuildHTTPRequestHandler(BaseHTTPRequestHandler):
+    actionDict = { 'build': Builder, 'download': Builder } # They're the same, no more caching.
+
+    def do_GET(self):
+        path = urlparse.urlparse(self.path)
+        paramDict = dict([(key, value[0]) for key, value in urlparse.parse_qs(path.query).items()])
+        action, _, path = path.path.strip('/').partition('/')
+        if path:
+            path = path.split('/')
+            if action in self.actionDict:
+                try:
+                    builder = self.actionDict[action](path=path, handler=self, **paramDict)
+                    builder.start()
+                    try:
+                        builder.build()
+                    finally:
+                        builder.close()
+                except BuildError as e:
+                    self.send_response(e.code)
+                    msg = unicode(e).encode('UTF-8')
+                    self.send_header('Content-Type', 'text/plain; charset=UTF-8')
+                    self.send_header('Content-Length', len(msg))
+                    self.end_headers()
+                    self.wfile.write(msg)
+                except HTTPError as e:
+                    self.send_response(e.code, str(e))
+            else:
+                self.send_response(500, 'Unknown build method "%s"' % action)
+        else:
+            self.send_response(500, 'Malformed URL')
+
+#==============================================================================
+
+if __name__ == '__main__':
+    main(sys.argv[1:])