Playfire - Playfire is the global community for gamers.
Hamachi - Hamachi is a VPN service scaled to the unique needs of business owners.
Gaikai - Gaikai is a company which provides technology for the streaming of high-end video games.
Wippien - Free p2p VPN software - establish personal p2p network with friends from your contact list.Downloads · miniVPN · FAQ · Linux version of free p2p VPN .
Parsec - Streams games locally or over the internet
Tunngle - For the longest time, it was not possible to play video games online with others. If you wanted to play multiplayer, you had to join your friends in person and play on a single console with multiple controllers. Read more about Tunngle.