Zulip free for open source

What Zulip gives open source projects, who qualifies, and how to apply. 1 verified offer, last checked 2026-09-07.

FOS-0187 ACTIVE verified 2026-09-07

Zulip

Zulip Cloud Standard

communication

What you get

Zulip Cloud Standard (the paid team chat plan, including full message history) free for open-source projects; Zulip sponsors hundreds of open-source projects including Rust and Lean.

Applies to

organization

Requirements

no stated requirements

How to apply

Create a Zulip Cloud organization and use the "Request sponsorship" flow (or contact sales@zulip.com).

Provenance

Confirmed against zulip.com/for/open-source on 2026-09-07, matched anchor “is free for open-source projects”.

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Verified 2026-09-07. Details changed? Fix it on GitHub. Not sure you qualify? Match your repo against all 176 offers, or browse communication.