A server for conversations on your own network.
ReplacesMicrosoft Teams chat infrastructure
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Communication
Curated open-source alternatives to the software you already use.
3 apps to explore
Meet, share, and collaborate on your own server.
ReplacesZoom
Create, adapt, review, schedule and track social posts in one workspace.
ReplacesBuffer
Stars from GitHub · Oct 5, 2026. Comparisons describe overlapping use cases, not feature parity.