Mastodon Mastodon hosted on mastdc.com

@mastdc.com

By signing up you agree to follow the rules of the instance and our terms of service.

What is mastdc.com?

MastDC.com is a non-commercial social network. It is focused on Washington DC, but anyone can sign up. It's part of a world-wide group of federated systems that offer Twitter®-like functionality with no central authority. Activity is moderated by other users, and there is no business entity monitoring users' activity for potential gain.

More information about Mastodon can be found in the User Guide.

What is Mastodon?

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

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.