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Mastodon gGmbH is a German non-profit developing a decentralized social network


Mastodon is a free, open-source social network server based on ActivityPub where users can follow friends and discover new ones. All Mastodon servers are interoperable as a federated network.

Reporting issues / contributing code

Community participation

Participation is via the Mastodon Code of Conduct

Follow us

Find us on Mastodon ๐Ÿ™‚

Mastodon MastodonEngineering


  1. mastodon Public

    Your self-hosted, globally interconnected microblogging community

    Ruby 44.1k 6.6k

  2. Official iOS app for Mastodon

    Swift 1.9k 233

  3. Official Android app for Mastodon

    Java 1.5k 213

  4. The official Mastodon project homepage

    TypeScript 216 132

  5. Mastodon documentation

    SCSS 1.7k 963

  6. chart Public

    Helm chart for Mastodon deployment in Kubernetes

    Mustache 120 72


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