There is also Zulip, that I think is opensource. | Hacker News

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		timeon on May 24, 2024 \| parent \| context \| favorite \| on: ICQ will stop working from June 26 There is also Zulip, that I think is opensource.

Bluestein on May 24, 2024 [–]

Can vouch for Zulip. Threaded messaging is the best.-

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