It's effectively a GNU Social implementation, that has a much nicer TweetDeck-like interface[1]. It got quite popular in the security community in April (though

It's effectively a GNU Social implementation, that has a much nicer TweetDeck-like interface[1]. It got quite popular in the security community in April (though I don't see as many people there as I used to), and some of the main servers got DDoS'd purely through organic growth. [1]: https://github.com/tootsuite/mastodon https://github.com/tootsuite/mastodon