DRM-free

GOG（Good Old Games）是一个专注于DRM-free游戏的数字分发平台，提供从经典老游戏到现代大作的精选游戏库，支持Windows、Mac和Linux，并配有游戏客户端GOG Galaxy及活跃的玩家社区。

itch.io is an open marketplace for independent game developers and creators to publish, sell, and distribute digital games, assets, and other creative works. It also hosts game jams and fosters a community of indie creators.