Lomalarga is a VPN-like service based on SSH and Linux.
Lomalarga is a port forwarding (VPN-like) service based on SSH & Linux. Based entirely on open source. The client is written in C# and the administration is based on Linux/lighttpd/PostgreSQL/PHP, with the UI written with Google Web Toolkit.
The Titan Firewall is an interface Web to manage firewall based on Linux with iptables. It supports filtrate of packages, NAT, logs, VPN's... Implemented in Java and jsp.