Zulip

Zulip server and web application. Open-source team chat that helps teams stay productive and focused.

Visit Zulip Docs

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Category	Team Chat & Messaging Platforms
Authentication	No auth
Pricing	Free
Source	Open Source
Website	https://github.com/zulip/zulip
Docs	https://github.com/zulip/zulip/tree/main/docs
Last checked	2026-10-14
As JSON	/api/v1/directory/zulip.json