[darkhorn]

https://github.com/tootsuite/mastodon

[Tipewryter]

That is a software repo. Not a public centralized service that lets users communicate with each other.

[lixtra]

One more click leads to https://joinmastodon.org/

> ... centralized ...

That was not in the GP’s requirements.

Edit: plus: GP explicitly asked for software.

[Nemo_bis]

Why do you want it to be centralised? Surely a federated system like email is just as fine, if it provides a good user experience?

[Tipewryter]

If. But so far, no federated system has resulted in good user experience.