Steam is described as 'digital distribution, digital rights management, multiplayer and communications platform developed by Valve Corporation' and is one of the leading apps in the Gaming Software category. There are more than 50 alternatives to Steam for a variety of platforms, including Online / Web-based, Windows, Linux, Mac and Android. The best alternative is GOG.com, which is free. Other great apps like Steam are Humble Bundle (Paid), itch.io (Free, Open Source), Epic Games Store (Free) and Lutris (Free, Open Source).
- Desura is a digital distribution service for gamers, putting the best games, mods and downloadable content at your fingertips and ready to play. View 45 alternatives to Desura
Desura was shut down a couple years ago.
- Free • Proprietary
Desura vs SteamShut down so sad, it was niceIt's on a much smaller scale than Steam, however Desura still distributes digital copies of games and has the main features of Steam.
- Green Man Gaming is a global, multiplatform online videogame store. View 33 alternatives to Green Man Gaming
- Paid • Proprietary
Green Man Gaming vs SteamThe Steam Client provides more functionality than Green Man Gaming's website. Green Man Gaming even uses Steam keys when selling products.