@Corvus It’s a free and open source code hosting app. So it’s like the code that runs GitHub but, unlike GitHub, anyone can run their own instance. So, for example, @codeberg@mastodon.technology runs Gitea :)
Mastodon is the best way to keep up with what's happening.
Follow anyone across the fediverse and see it all in chronological order. No algorithms, ads, or clickbait in sight.