head to head · open source
cobalt vs xyne-spaces
cobalt has 43,770 GitHub stars, 3,834 forks, 269 open issues and last shipped 6 months ago. xyne-spaces has 684 stars, 527 forks, 514 open issues and last shipped today. cobalt leads on adoption by 6,299% (43,770 vs 684 stars). cobalt is written in Svelte under AGPL-3.0; xyne-spaces is written in TypeScript under Apache-2.0. cobalt has attracted 9% 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.
← all 20902 open source comparisons
Side by side
| cobalt | xyne-spaces | |
|---|---|---|
| GitHub stars | ★ 44K | ★ 684 |
| License | AGPL-3.0 | Apache-2.0 |
| Written in | Svelte | TypeScript |
| Last push | 2026-04-06 | 2026-09-23 |
| Forks | ⑂ 3.8K | ⑂ 527 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick cobalt if
- You weight community size — 44K stars and counting
- You want the AGPL-3.0 license terms
- Your stack matches Svelte
- 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 cobalt
cobalt is a media downloader built around a single promise: paste a link, get the file, move on. It is a monorepo containing the source for an API, a web frontend, and related packages, written primarily in Svelte and TypeScript. The project lives in the modern web and JavaScript ecosystem, and its public surface is hosted at cobalt.tools, while the full codebase is published under the AGPL 3.0 license.
read the full cobalt 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 →
More in Business Software
Related comparisons
More Collaboration & Communication projects
Compare either of these against the rest of the Collaboration & Communication field.
Frequently asked questions
Is cobalt or xyne-spaces more popular?
cobalt has 43,770 GitHub stars and xyne-spaces has 684. cobalt has the larger community by that measure.
Are cobalt and xyne-spaces free?
Both are open source. cobalt is licensed under AGPL-3.0 and xyne-spaces under Apache-2.0. Neither carries a licence fee.
What is the difference between cobalt and xyne-spaces?
cobalt is written in Svelte 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, cobalt or xyne-spaces?
Choose cobalt if you want the larger community (43,770 stars) or its AGPL-3.0 licence terms. Choose xyne-spaces if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.