- [Amrita VPN](http://amvpn.sourceforge.net/)
- [CIPE](http://cipe-linux.sourceforge.net/)
+- [cjdns](http://cjdns.info/)
- [CloudVPN](http://freecode.com/projects/cloudvpn)
- [FairVPN](http://minerva.netgroup.uniroma2.it/fairvpn)
- [GVPE](http://software.schmorp.de/pkg/gvpe.html)