Misskey (much more feature-rich than Mastodon; Typescript in the backend; extremely Japanese): https://misskey-hub.net/en/
Having said that, frankly, I doubt that the Ruby ecosystem will fall apart from this. There’s too many non-volunteers whose wage depends on Ruby to keep going…
I host my own Akkoma instance and it’s great. easier to set up than Mastodon, more light weight, etc. Only downside is the UI is a bit of a cluster and you really need to do some editing to make it look decent. Haven’t had any issues interacting with anyone on Mastodon and what have you.
Let’s hope that a mastodon rewrite is coming.
There’s already alternative implementations, with somewhat different featuresets:
Having said that, frankly, I doubt that the Ruby ecosystem will fall apart from this. There’s too many non-volunteers whose wage depends on Ruby to keep going…
What about Sharkey? Or whatever it was named
Also, Honk.
I host my own Akkoma instance and it’s great. easier to set up than Mastodon, more light weight, etc. Only downside is the UI is a bit of a cluster and you really need to do some editing to make it look decent. Haven’t had any issues interacting with anyone on Mastodon and what have you.