Self-hosted software under LGPL-2.1
9 of the projects we track are released under the Lesser General Public License 2.1 (licence text). 5 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.
Second generation wiki that allows the user to extend its functionalities with a powerful extension-based architecture.
IMAP and POP3 server written primarily with security in mind.
Proofread more than 20 languages. It finds many errors that a simple spell checker cannot detect.
Feed reader for your email accounts.
SOGo offers multiple ways to access the calendaring and messaging data. CalDAV, CardDAV, GroupDAV, as well as ActiveSync, including native Outlook compatibility and Web interface.
UPnP AV MediaServer that allows you to easily share audio, video, and pictures. Media player software may use Rygel to become a MediaRenderer that may be controlled remotely by a UPnP or DLNA Controller.
Wiki CMS Groupware with the most built-in features.
The most comprehensive and integrated Free / Libre / Open Source enterprise software suite.