Self-hosted software under Zlib
6 of the projects we track are released under the Zlib/libpng License (licence text). 3 of them are currently rated healthy or better.
Licence choice matters for self-hosting: copyleft licences such as AGPL-3.0 require you to publish modifications you expose over a network, while permissive ones such as MIT and Apache-2.0 do not. This page is a catalogue, not legal advice.
Voxel game engine (formerly Minetest). Play one of our many games, mod a game to your liking, make your own game, or play on a multiplayer server.
Minimalist pastebin/discussion board where the server has zero knowledge of hosted data.
Cooperative platformer version of DDRace, a Teeworlds modification featuring unique cooperative gameplay.
Personal, minimalist, super-fast, no-database bookmarking and link sharing platform.
Arena first-person shooter similar to Unreal Tournament.
Cross-platform real-time strategy game of ancient warfare.