head to head · open source
Zulip vs xyne-spaces
Zulip has 25,938 GitHub stars, 10,275 forks, 2,008 open issues and last shipped yesterday. xyne-spaces has 684 stars, 527 forks, 514 open issues and last shipped today. Zulip leads on adoption by 3,692% (25,938 vs 684 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 77%. 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 | ★ 684 |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Python | TypeScript |
| Last push | 2026-09-22 | 2026-09-23 |
| Forks | ⑂ 10K | ⑂ 527 |
| 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 is an open source organized team chat application built on topic based threading, aimed at distributed teams that need live and asynchronous conversation in one place, and it is positioned as an open alternative to Slack.
read the full Zulip overview →
About xyne-spaces
Xyne Spaces is an open source "AI Org OS" — an Apache 2.0, TypeScript collaboration platform that keeps an organization's context in one permission aware store and serves it back to both people and AI agents, making it a fit for teams that want human and agent work running over the same company knowledge rather than across a dozen disconnected tools.
read the full xyne-spaces overview →
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Frequently asked questions
Is Zulip or xyne-spaces more popular?
Zulip has 25,938 GitHub stars and xyne-spaces has 684. 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 (25,938 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.