BackThe Best Open Source Alternatives to
The Best Open Source Alternatives to
Slack
Why pay expensive monthly subscriptions? Discover 2 self-hosted replacements for Slack that give you 100% data ownership and privacy.
100% Free Open Source
Complete Data Privacy
Top 2 Alternatives
Top Choice
R
Rocket.Chat
MITNodejs/Docker/K8S 44,940 13,411Communications platform that puts data protection first (alternative to Gitter.im and Slack)
Z
Zulip
Apache-2.0Python 24,895 9,698Zulip is a powerful, open source group chat application
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