Open source federated projects

Every project in the registry tagged federated, ranked by real GitHub adoption.

projects 3 combined stars ★ 12K refresh nightly
01 core ★ 8.8K

:cloud: ownCloud web server core (Files, DAV, etc.)

last push14 hours ago languagePHP licenseAGPL-3.0
02 deltachat-desktop ★ 1.6K

Decentralized private messenger with chat-shared tools and games for Desktop

last push5 hours ago languageTypeScript licenseGPL-3.0
03 databag ★ 1.5K

fast & lightweight self-hosted messenger

last push3 months ago languageTypeScript licenseApache-2.0

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Frequently asked questions

How many open source federated projects are there?

This registry tracks 3 projects tagged federated, with 11,936 GitHub stars between them. The most-adopted is core at 8,833 stars.

Are these federated projects free to use?

Yes — 3 of the 3 carry an explicit open-source licence across 3 distinct licences, so there is no licence fee. Where a project also sells a hosted or enterprise version, the self-hosted path remains free.

Which federated project should I choose?

The list above is ranked by GitHub stars, but stars measure attention rather than fit. Check three things on each card: the licence (permissive versus copyleft), the language it is written in, and the last-push date — a high-star project that has not been pushed in a year is a liability.

Are these federated projects still maintained?

2 of the 3 were pushed in the last 90 days, and every card shows its exact last-push date so you can see the rest. Sort your shortlist by that date before committing to a migration.