head to head · open source
cobalt vs mirotalksfu
cobalt has 45,722 GitHub stars, 4,031 forks, 269 open issues and last shipped 7 months ago. mirotalksfu has 3,144 stars, 518 forks, 0 open issues and last shipped yesterday. cobalt leads on adoption by 1,354% (45,722 vs 3,144 stars). cobalt is written in Svelte under AGPL-3.0; mirotalksfu is written in JavaScript under AGPL-3.0. cobalt has attracted 9% as many forks as stars, mirotalksfu 16%. mirotalksfu 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
| cobalt | mirotalksfu | |
|---|---|---|
| GitHub stars | ★ 46K | ★ 3.1K |
| License | AGPL-3.0 | AGPL-3.0 |
| Written in | Svelte | JavaScript |
| Last push | 2026-04-06 | 2026-11-02 |
| Forks | ⑂ 4.0K | ⑂ 518 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick cobalt if
- You weight community size — 46K 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 mirotalksfu if
- You want the mirotalksfu feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches JavaScript
- You evaluated both and mirotalksfu fits your workflow better
About cobalt
best way to save what you love cobalt.tools 💬 community discord server 🐦 twitter 🦋 bluesky cobalt is a media downloader that doesn't piss you off. it's friendly, efficient, and doesn't have ads, trackers, paywalls or other nonsense. paste the link, get the file, move on. that simple, just how it should be. cobalt monorepo this monorepo includes source code for api, frontend, and related packages: api tree & readme web tree & readme packages tree it also includes documentation in the docs tree: how to run a cobalt instance how to protect a cobalt instance cobalt api instance environment variables cobalt api…
read the full cobalt overview →
About mirotalksfu
MiroTalk SFU Open Source Self Hosted WebRTC Video Conferencing Platform Self hosted, open source WebRTC video conferencing platform for real time communication and collaboration. A modern alternative to Zoom, Google Meet, Jitsi Meet, and Microsoft Teams, powered by scalable SFU architecture with Mediasoup. MiroTalk SFU is a self hosted, open source video conferencing platform built on mediasoup SFU architecture for scalable real time communication. A powerful alternative to Zoom, Google Meet, and Microsoft Teams for video conferencing, collaboration, and streaming. Deploy it on your own server and keep full…
read the full mirotalksfu overview →
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Frequently asked questions
Is cobalt or mirotalksfu more popular?
cobalt has 45,722 GitHub stars and mirotalksfu has 3,144. cobalt has the larger community by that measure.
Are cobalt and mirotalksfu free?
Both are open source. cobalt is licensed under AGPL-3.0 and mirotalksfu under AGPL-3.0. Neither carries a licence fee.
What is the difference between cobalt and mirotalksfu?
cobalt is written in Svelte and mirotalksfu in JavaScript. 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 mirotalksfu?
Choose cobalt if you want the larger community (45,722 stars) or its AGPL-3.0 licence terms. Choose mirotalksfu if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.