The best Compatibility Layer alternative to Playnite is Lutris, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to Playnite and four of them are Compatibility Layer Tools so hopefully you can find a suitable replacement. Other interesting Compatibility Layer Tool alternatives to Playnite are Heroic Games Launcher, GameHub and Attract-Mode.
Lutris is an open source gaming platform for GNU/Linux. It allows you to gather and manage (install, configure and launch) all your games acquired from any source, in a single interface.
Most users think Lutris is a great Playnite alternative.
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 .
Makes installing Epic Store and GoG games a snap, and includes a way to directly browse both stores. It doesn't have all the features of Playnite (like launching Steam games or EMulator integration), but it's excellent for what it is.
Games library manager. Supports: Steam, GOG, Humble Bundle, Humble Trove, Wine and RetroArch.
A graphical front-end for command line emulators that hides the underlying operating system and is intended to be controlled with a joystick, gamepad or spin dial. Ideal for use on arcade cabinet setups.
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Is actually a game launcher probably the biggest one for Linux. Has emulator and normal Steam/GOG support, it's also open source