- [CIPE](http://cipe-linux.sourceforge.net/)
- [CloudVPN](http://dev.e-x-a.org/projects/cloudvpn/wiki)
- [FairVPN](http://minerva.netgroup.uniroma2.it/fairvpn)
- [CIPE](http://cipe-linux.sourceforge.net/)
- [CloudVPN](http://dev.e-x-a.org/projects/cloudvpn/wiki)
- [FairVPN](http://minerva.netgroup.uniroma2.it/fairvpn)