#slack
5
2026-08-29
Chanty.com
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Chanty is another alternative to Slack. It has a free forever plan for small teams (up to 10) with unlimited public and private conversations, searchable history, unlimited 1:1 audio calls, unlimited voice messages, ten integrations, and 20 GB storage per team.
2026-08-29
Keybase
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Keybase is a FOSS alternative to Slack; it keeps everyone's chats and files safe, from families to communities to companies.
2026-08-29
Rocket.Chat
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Communications platform that puts data protection first (alternative to Gitter.im and Slack). (Source Code) MIT Nodejs/Docker/K8S