Didn't see this coming. Zulip's founder reorganizes Zulip so he can work on AI more at Anthropic. Huh.
We use Zulip at the School of Losing Time (https://www.theschooloflosingtime.com/) and I must say that they have a great community building program.
https://blog.zulip.com/2026/05/15/announcing-zulip-foundation/t