GameStreamer is described as 'Connection people and games anywhere'. There are five alternatives to GameStreamer for a variety of platforms, including Online / Web-based, Windows, Linux, Mac and Android. The best alternative is Steam, which is free. Other great apps like GameStreamer are FreeToGame (Free), Vapor — LÖVE Distribution Client (Free, Open Source), Arc (Free) and ScienceGameCenter (Free).
FreeToGame is a gaming platform that provides access to the best free-to-play games and MMO Games while rewarding gamers with free premium in-game loot, special offers and exclusive perks at no cost to the user!