- [Amrita VPN](http://amvpn.sourceforge.net/)
- [CIPE](http://cipe-linux.sourceforge.net/)
-- [cjdns](http://cjdns.info/)
-- [CloudVPN](http://freecode.com/projects/cloudvpn)
+- [cjdns](https://github.com/cjdelisle/cjdns)
- [FairVPN](http://minerva.netgroup.uniroma2.it/fairvpn)
- [FreeLAN](http://www.freelan.org/)
- [GVPE](http://software.schmorp.de/pkg/gvpe.html)
- [SocialVPN](http://socialvpn.wordpress.com/)
- [strongSwan](http://www.strongswan.org/)
- [VPMN](http://code.google.com/p/vpmn/)
-- [vpnd](http://vpnd.linuxsys.com/)
- [VTun](http://vtun.sourceforge.net/)
- [Yavipin](http://yavipin.sourceforge.net/)