head to head · open source
cobalt vs mirotalk
cobalt has 45,722 GitHub stars, 4,031 forks, 269 open issues and last shipped 7 months ago. mirotalk has 4,823 stars, 791 forks, 0 open issues and last shipped 2 days ago. cobalt leads on adoption by 848% (45,722 vs 4,823 stars). cobalt is written in Svelte under AGPL-3.0; mirotalk is written in JavaScript under AGPL-3.0. cobalt has attracted 9% as many forks as stars, mirotalk 16%. mirotalk was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (collaboration, javascript), 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 | mirotalk | |
|---|---|---|
| GitHub stars | ★ 46K | ★ 4.8K |
| License | AGPL-3.0 | AGPL-3.0 |
| Written in | Svelte | JavaScript |
| Last push | 2026-04-06 | 2026-11-01 |
| Forks | ⑂ 4.0K | ⑂ 791 |
| 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 mirotalk if
- You want the mirotalk 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 mirotalk 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 mirotalk
MiroTalk P2P Open Source Self Hosted WebRTC P2P Video Conferencing Open Source Peer to Peer Video Conferencing You Can Self Host in Minutes Free, Secure, Fast Real Time Communication up to 8K, 60fps. Works in All Browsers and Platforms. MiroTalk P2P is a self hosted, open source video conferencing platform using direct peer to peer WebRTC connections for fast, secure, real time communication. Deploy on your own server in minutes. Enjoy unlimited rooms, no time limits, end to end privacy, and a rich feature set all under your control. Try Live Demo · Privacy · Documentation · Discord · Sponsor Proudly sponsored…
read the full mirotalk overview →
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Frequently asked questions
Is cobalt or mirotalk more popular?
cobalt has 45,722 GitHub stars and mirotalk has 4,823. cobalt has the larger community by that measure.
Are cobalt and mirotalk free?
Both are open source. cobalt is licensed under AGPL-3.0 and mirotalk under AGPL-3.0. Neither carries a licence fee.
What is the difference between cobalt and mirotalk?
cobalt is written in Svelte and mirotalk 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 mirotalk?
Choose cobalt if you want the larger community (45,722 stars) or its AGPL-3.0 licence terms. Choose mirotalk if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.