Mastodon @ SDF Mastodon hosted on mastodon.sdf.org

This is the Federated Mastodon (GNU Social) instance hosted by the SDF Public Access UNIX System since 2010. Please see https://sdf.org for more details about our ORG .. you may wish to also make us your ${HOME}.

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Home to 3,013 users

Who authored 173,804 statuses

What is Mastodon?

Mastodon is a social network based on open web protocols and free, open-source software. It is decentralized like e-mail.

Administered by:

SDF.ORG@SDF Learn more

Built for real conversation

With 500 characters at your disposal and support for granular content and media warnings, you can express yourself the way you want to.

You’re a person, not a product

Mastodon is not a commercial network. No advertising, no data mining, no walled gardens. There is no central authority.

Always within reach

Multiple apps for iOS, Android, and other platforms thanks to a developer-friendly API ecosystem allow you to keep up with your friends anywhere.

A more humane approach

Learning from failures of other networks, Mastodon aims to make ethical design choices to combat the misuse of social media.

Learn more