Steam is described as «digital distribution, digital rights management, multiplayer and communications platform developed by Valve Corporation» and is a leading Game Store in the social & communications 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 itch.io, Humble Bundle, Epic Games Store and Origin.Steam alternatives are mainly Game Stores but may also be Game Library Managers or App Stores. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of Steam.