ZeroTier creates virtual ethernet networks that work everywhere. Use it as a VPN alternative, for gaming, or to create a virtual office LAN that travels with you.
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.
GameRanger is a free download for Mac and PC that lets you play over 600 games and demos online with friends and opponents worldwide. GameRanger offers features like profiles, friends lists, instant messaging, in-game voice communication, and competitive ladders/rankings/ratings.
GameRanger vs Tunngle opinions
True alternative to tunngle
it works, but you can not create a custom network (you cannot join without the .exe of the game), only a few and old games are listed.
it doesn't have many varity of games
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.
Radmin VPN allows you to securely connect computers, located behind firewalls.
Radmin VPN vs Tunngle opinions
It's easy and simple, rather than hamachi that has a lot of cons...
A free, open-source, multi-platform, highly-configurable and peer-to-peer VPN software, designed to easily connect remote hosts and mainly focused on security and performance.Discontinued
No update in >2 years.Download links no longer work.
Garena is a free downloadable software provided by Ocean Global Holding. Garena, short for Global Arena, is a multifunction platform that allows gamers to chat, challenge opponents, and play their favorite games online with millions of gamers world-wide.
Garena vs Tunngle opinions
only play the game they support
tinc is a Virtual Private Network (VPN) daemon that uses tunnelling and encryption to create a secure private network between hosts on the Internet.
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.