diff --git a/github2/bin/github_manage_collaborators b/github2/bin/github_manage_collaborators
new file mode 100644
index 0000000..5382cf6
--- /dev/null
+++ b/github2/bin/github_manage_collaborators
@@ -0,0 +1,82 @@
+#!/usr/bin/env python
+# encoding: utf-8
+"""github_manage_collaborators - add/remove collaborators to all github
+projects of an account.
+
+Typically used with company accounts where all coders should have
+R/W access to all private repositories of the company account.
+"""
+
+# Created by Maximillian Dornseif on 2009-12-31 for HUDORA.
+# Copyright (c) 2009 HUDORA. All rights reserved.
+# BSD licensed
+
+from optparse import OptionParser
+import github2.client
+import time
+
+
+def parse_commandline():
+    """Parse the comandline and return parsed options."""
+
+    parser = OptionParser(version=True)
+    parser.description = __doc__
+
+    parser.set_usage('usage: %prog [options] (list|add|remove) [collaborator]. Try %prog --help for details.')
+    parser.add_option('-d', '--debug', action='store_true',
+                      help='Enables debugging mode')
+    parser.add_option('-l', '--login',
+                      help='Username to login with')
+    parser.add_option('-a', '--account',
+                      help='User owning the repositories to be changed [default: same as --login]')
+    parser.add_option('-t', '--apitoken',
+                      help='API Token - can be found on the lower right of https://github.com/account')
+                      
+
+    options, args = parser.parse_args()
+    if len(args) not in [1, 2]:
+        parser.error('wrong number of arguments')
+    if (len(args) == 1 and args[0] in ['add', 'remove']):
+        parser.error('%r needs a collaborator name as second parameter\n' % args[0])
+    elif (len(args) == 1 and args[0] != 'list'):
+        parser.error('unknown command %r. Try "list", "add" or "remove"\n' % args[0])
+    if (len(args) == 2 and args[0] not in ['add', 'remove']):
+        parser.error('unknown command %r. Try "list", "add" or "remove"\n' % args[0])
+    if not options.login:
+        parser.error('you must provide --login information\n')
+
+    return options, args
+
+
+def main(options, args):
+    """This implements the actual program functionality"""
+    
+    if not options.account:
+        options.account = options.login
+        
+    github = github2.client.Github(username=options.login,
+                                   api_token=options.apitoken,
+                                   debug=options.debug)
+    
+    if len(args) == 1:
+        for repos in github.repos.list(options.account):
+            fullreposname = github.project_for_user_repo(options.account, repos.name)
+            print "%s: %s" % (repos.name, ' '.join(github.repos.list_collaborators(fullreposname)))
+            time.sleep(0.5) # to keep github from overloading
+    elif len(args) == 2:
+        command, collaborator = args
+        for repos in github.repos.list(options.account):
+            fullreposname = github.project_for_user_repo(options.account, repos.name)
+            if collaborator in github.repos.list_collaborators(fullreposname):
+                if command == 'remove':
+                    github.repos.remove_collaborator(repos.name, collaborator)
+                    print "removed %r from %r" % (collaborator, repos.name)
+            else:
+                if command == 'add':
+                    github.repos.add_collaborator(repos.name, collaborator)
+                    print "added %r to %r" % (collaborator, repos.name)
+            time.sleep(0.5) # to keep github from overloading
+
+
+if __name__ == '__main__':
+    main(*parse_commandline())