head to head · open source
Zulip vs xyne-spaces
Zulip has 26,182 GitHub stars, 10,546 forks, 2,008 open issues and last shipped 2 days ago. xyne-spaces has 826 stars, 575 forks, 514 open issues and last shipped yesterday. Zulip leads on adoption by 3,070% (26,182 vs 826 stars). Zulip is written in Python under Apache-2.0; xyne-spaces is written in TypeScript under Apache-2.0. Zulip has attracted 40% as many forks as stars, xyne-spaces 70%. xyne-spaces was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (collaboration), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| Zulip | xyne-spaces | |
|---|---|---|
| GitHub stars | ★ 26K | ★ 826 |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Python | TypeScript |
| Last push | 2026-11-06 | 2026-11-07 |
| Forks | ⑂ 11K | ⑂ 575 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Zulip if
- You weight community size — 26K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick xyne-spaces if
- You want the xyne-spaces feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches TypeScript
- You evaluated both and xyne-spaces fits your workflow better
About Zulip
Zulip overview Zulip is an open source organized team chat app with unique [topic based threading][why zulip] that combines the best of email and chat to make remote work productive and delightful. Fortune 500 companies, [leading open source projects][rust case study], and thousands of other organizations use Zulip every day. Zulip is the only [modern team chat app][features] that is designed for both live and asynchronous conversations. Zulip is built by a distributed community of developers from all around the world, with 99+ people who have each contributed 100+ commits. With over 1,500 contributors merging…
read the full Zulip overview →
About xyne-spaces
Xyne Spaces The org OS — your organization's context layer, with collaborative apps built around it. Real time, permission aware and built for agents. At the center: your org's context. Connectors bring in what your organization already knows — Slack, Google Workspace, Microsoft 365 and more — normalised into a store built for records and retrieval, and served back to your people and your agents through permission aware org context APIs, so every caller gets exactly the slice they're allowed to see. Around that core sit the org apps — Call · Claw · Agentic Search · Automations · Customer Support Desk · Chat ·…
read the full xyne-spaces overview →
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Frequently asked questions
Is Zulip or xyne-spaces more popular?
Zulip has 26,182 GitHub stars and xyne-spaces has 826. Zulip has the larger community by that measure.
Are Zulip and xyne-spaces free?
Both are open source. Zulip is licensed under Apache-2.0 and xyne-spaces under Apache-2.0. Neither carries a licence fee.
What is the difference between Zulip and xyne-spaces?
Zulip is written in Python and xyne-spaces in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Zulip or xyne-spaces?
Choose Zulip if you want the larger community (26,182 stars) or its Apache-2.0 licence terms. Choose xyne-spaces if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.