Hamachi - Hamachi is a VPN service scaled to the unique needs of business owners.
OpenVPN - OpenVPN - The Open Source VPN
Wippien - Free p2p VPN software - establish personal p2p network with friends from your contact list.Downloads · miniVPN · FAQ · Linux version of free p2p VPN .
DynVPN - DynVPN. Home · Learn More · Getting started · Download · License · Contact · Dashboard · Login · Signup. The easiest VPN solution that allows you to access your computers and devices.
Freelan - You are in control. Why would you trust a closed, proprietary software with your most-sensitive data ? Freelan is open-source and completely free. You know everything about its internals and its source-code.
ZeroTier - Extremely simple P2P Encrypted VPN