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JANDIZulip
Freemium

Plan prices are not listed on the fetched page; check the site for current plans.

 Freemium

The server and clients are free and open source and can be self-hosted at no cost. Zulip…

macOS Windows, macOS, Linux, Android
  • Team messenger focused on workplace collaboration
  • AI summaries of conversation context
  • Topic-based threading inside channels, which makes catching up genuinely practical
  • Self-hostable, or hosted, with free plans for open-source communities
  • Website and materials are mainly in Korean
  • Hosted service that requires a team account
  • The topic model takes getting used to and needs team discipline to work
  • The desktop client shares most of its code with the web app, so it inherits its quirks
Downloadable app, Hosted service Downloadable app
Closed source Open source
License not stated License: Apache-2.0
Account needed Account needed
Needs internet Needs internet

Checked October 2, 2026

Checked September 21, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.