Game Center - Game Center brings social gaming to OS X and iOS apps.
Green Man Gaming - A digital distributor for video games.
Nakama - Nakama is an open-source distributed social and realtime server for games and apps.
GOG.com - DRM-free game store, selling both new and old titles. No clients required.
MEGPlay - Where gamers gather. MEGPlay is the hub for esports and gaming communities across SouthEast Asia. Meet Gamers, Join Esports Communities, Get Sponsorships, Win Cash Competitions
Instant Gaming - Instant-Gaming.com - All your favourites games for Steam, Origin, Battle.net, Uplay and Indie games up to 70% off! Digital games, Instant delivery 24/7!