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SoftEther VPN ("SoftEther" means "Software Ethernet") is one of the world's most powerful and easy-to-use multi-protocol VPN software. It runs on Windows, Linux, Mac, FreeBSD and Solaris.

GNUnet is a framework for secure peer-to-peer networking that does not use any centralized or otherwise trusted services. A first service implemented on top of the networking layer allows anonymous censorship-resistant file-sharing. Anonymity is provided by making messages originating from a peer indistinguishable from messages that the peer is routing. All peers act as routers and use link-encrypted connections with stable bandwidth utilization to communicate with each other. GNUnet uses a simple, excess-based economic model to allocate resources. Peers in GNUnet monitor each others behavior with respect to resource usage; peers that contribute to the network are rewarded with better service. »

DynVPN is an online service that allows you to create and manage your own virtual private network with the goal to keep it simple.

sshuttle: where transparent proxy meets VPN meets sshsshuttle is the only program that solves the following common case:

tinc is a Virtual Private Network (VPN) daemon that uses tunnelling and encryption to create a secure private network between hosts on the Internet.

WireGuard is an extremely simple yet fast and modern VPN that utilizes state-of-the-art cryptography. It aims to be faster, simpler, leaner, and more useful than IPSec, while avoiding the massive headache. It intends to be considerably more performant than OpenVPN. WireGuard is designed as a general purpose VPN for running on embedded interfaces and super computers alike, fit for many different circumstances. Initially released for the Linux kernel, it plans to be cross-platform and widely deployable. It is currently under heavy development, but already it might be regarded as the most secure, easiest to use, and simplest VPN solution in the industry. »

Hoxx VPN Proxy service to unblock blocked websites, hide your location and encrypt your connection. Completely free.Hoxx VPN Service can be used to bypass filtered or blocked websites such as NetFlix, Hulu, Spotify or sites that have been blocked by your government or for licensing reasons. You can also use Hoxx VPN to hide your tracks and/or protect your personal information at public Wi-Fi locations.

VDE is an ethernet compliant virtual network that can be spawned over a set of physical computer over the Internet. VDE is part of virtualsquare project.

NetOverNet is your personal virtual private network (VPN) server for remote access to desktop (RDP, VNC), applications and files. Free alternative to Hamachi

This simple tool finds free OpenVPN servers for you and allow you to download the OVPN config file. The extension is written on top of VPN Gate Academic Experiment Project that is an online service as an academic research at Graduate School of University of Tsukuba, Japan. The purpose of this research is to expand the knowledge of "Global Distributed Public VPN Relay Servers" .

Radmin VPN is a free and easy-to-use software product to create virtual private network (VPN) for different needs. The program allows users to establish a secure connection between computers over the Internet as if they were connected over a LAN.