GOG GALAXY is described as 'Connect GOG GALAXY 2.0 with multiple platforms and unite all your games and friends scattered across them in one powerful app' and is a very popular Game Store in the gaming software category. There are more than 25 alternatives to GOG GALAXY for a variety of platforms, including Windows, Linux, Mac, Web-based and Android apps. The best GOG GALAXY alternative is Steam, which is free. Other great apps like GOG GALAXY are itch.io, Playnite, Heroic Games Launcher and Epic Games Store.
Steam provides a digital distribution platform for games with streaming, mod support, and multiplayer capabilities. Developed by Valve, it supports over 100 payment methods, includes Early Access, cloud sync, controller support for major brands, and offers an integrated gaming community.
Indie game marketplace and community platform providing customizable pricing, pay-what-you-want options, game file hosting, stats tracking, and an app managing downloads and updates across Windows, macOS, and Linux, plus support for non-game digital content.
Video game library manager and launcher with support for 3rd party libraries like Steam, GOG, Origin and Uplay, providing one unified interface for your games.
Both apps allow you to connect to various launchers/platforms and consolidate all of your games into one master game library.
I prefer Playnite over GoG Galaxy 2.0, because the integrations actually work, it supports more accounts and the client itself and the metadata of the games are highly customizable.
Heroic is an Open Source Game Launcher for Linux, Windows and macOS (10.15+, won't work properly on High sierra and older versions). Right now it supports launching games from the .
A digital distribution store featuring AAA and indie titles, 88% developer revenue share, exclusive 100% first-run revenue, a rotating free games program, wishlist, personalized recommendations, subscription support, and continuous platform enhancements.
Centralized game library management service, allowing you to host games on one device and connect multiple clients, supporting cross-platform play and emulation. Easily manage emulator profiles, with web client access for metadata and artwork showcase.
Experience a vibrant community for gamers and creators, offering challenges, rewards, and a shop for collectibles. Share and sell personal creations, explore anime and fan art, connect in a global cosplay realm, and more.
Games library manager. Supports: Steam, GOG, Humble Bundle, Humble Trove, Wine and RetroArch.
Hydra is a Game Launcher with its own embedded BitTorrent Client and a self-managed repack scraper.
Pegasus is a graphical frontend for browsing your game library (especially retro games) and launching them from one place. It's focusing on customizability, cross platform support (including embedded devices) and high performance.
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It only connects to a single store. It is not an equivalent alternative.