- [Amrita VPN](http://amvpn.sourceforge.net/)
- [CIPE](http://cipe-linux.sourceforge.net/)
-- [CloudVPN](http://dev.e-x-a.org/projects/cloudvpn/)
+- [CloudVPN](http://dev.e-x-a.org/projects/cloudvpn/wiki)
- [FairVPN](http://minerva.netgroup.uniroma2.it/fairvpn)
- [FreeS/WAN](http://www.freeswan.org/)
-- [GVPE](http://savannah.gnu.org/projects/gvpe/)
+- [GVPE](http://software.schmorp.de/pkg/gvpe.html)
- [l2tpd](http://sourceforge.net/projects/l2tpd)
- [Nest](http://www.targeted.org/nest/)
- [OpenS/WAN](http://www.openswan.org/)