Lutris is an open source gaming platform that allows users to play video games on Linux, macOS, and Windows operating systems. It offers a wide selection of games and an easy to use interface. The platform provides users with access to a variety of different gaming engines, such as Steam, GOG, Origin, and more. Additionally, it allows users to install and manage gaming libraries, launch games, create custom configurations, and access a wide range of community-created game scripts. Lutris also provides users with access to a variety of community-created plugins and tools, such as game controllers, automatic game saving, and gamepad support. Finally, it offers a variety of features for streamers, such as integration with Twitch and Discord, and custom streaming overlays.
Discontinued Desura was closed a couple of years ago.
It is used to run Windows applications and Windows applications only.
It is only compatible with Wine games and even then, for a commercial system, the support is a little better than Open Source WINE.
It only runs windows applications.
Steam is a DRM service, not a frontend.