Freelan is open-source and free generic VPN software.

GNUnet is a free software framework for decentralized, peer-to-peer networking and an official GNU package.

NeoRouter is a remote-access and VPN solution for homes and small businesses.

Radmin VPN is a free internet VPN service for protecting privacy online.

Tinc VPN is a Virtual Private Network (VPN) daemon that uses tunneling and encryption to create a secure private network between hosts.

ZenMate VPN for Chrome gives Internet security, privacy and access to worldwide content.

GameRanger is an Internet gaming service for the Macintosh and Windows computing platforms.

LogMeIn Hamachi is a hosted VPN service that securely connects devices and networks, extending LAN-like network connectivity to mobile.

OpenVPN is an open-source software application that implements virtual private network.

SoftEther VPN is free open-source, cross-platform, multi-protocol VPN client and VPN server software.

Wippien is a free P2P VPN software.