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Freedoom is a free game engine that can be used to play Doom game content. It aims to provide an open-source alternative to the original Doom engine.
GZDoom is an advanced source port with support for many games, providing modern features and modding capabilities.
Zandronum is a multiplayer focused port for Doom. It is based on ZDoom and offers various multiplayer modes and features.
Chocolate Doom is a minimalist Doom source port that aims to faithfully replicate the original Doom experience.
Doomseeker is a server browser for online multiplayer Doom games, offering a convenient way to find and join servers.
ZDaemon is a popular multiplayer Doom port with a focus on competitive gameplay and community events.
PrBoom+ is a source port focused on demo compatibility and playback, suitable for speedrunning.
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