Mastodon is where conversations happen - a free, open source social network, where users can follow friends and discover new ones. All Mastodon servers are interoperable as a federated network, via the ActivityPub protocol.
- Project homepage
- Support the team via GitHub, Patreon, or direct donation
- Documentation
- Project blog
- 📰 Mastodon 4.4 for Developers - 2025-07-01
- 📰 Mastodon is a digital public good - 2025-06-18
- 📰 Mastodon in 2025 - 2025-06-17
- Please read the Contributing to Mastodon guide.
- Core repositories
- Mastodon web app and backend main repository
- Official Android and iOS apps
- Documentation
- Project website
- Project discussions are on GitHub, and via the sponsors Discord.
Participation is subject to the Mastodon Code of Conduct.
Find us on Mastodon! 🙂
