head to head · open source
cobalt vs mirotalkc2c
cobalt has 43,316 GitHub stars, 3,798 forks, 269 open issues and last shipped 6 months ago. mirotalkc2c has 513 stars, 97 forks, 0 open issues and last shipped 2 days ago. cobalt leads on adoption by 8,344% (43,316 vs 513 stars). cobalt is written in Svelte under AGPL-3.0; mirotalkc2c is written in JavaScript under AGPL-3.0. cobalt has attracted 9% as many forks as stars, mirotalkc2c 19%. mirotalkc2c was the more recently maintained of the two, and both are self-hostable with no licence fee.
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 8884 open source comparisons
Side by side
| cobalt | mirotalkc2c | |
|---|---|---|
| GitHub stars | ★ 43K | ★ 513 |
| License | AGPL-3.0 | AGPL-3.0 |
| Written in | Svelte | JavaScript |
| Last push | 2026-04-06 | 2026-09-16 |
| Forks | ⑂ 3.8K | ⑂ 97 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick cobalt if
- You weight community size — 43K 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 mirotalkc2c if
- You want the mirotalkc2c 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 mirotalkc2c 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 mirotalkc2c
MiroTalk C2C is a self hosted, open source WebRTC application for one to one video calling that gives teams and operators private, browser based cam to cam conversations for consultations, coaching, support, and telehealth without handing media to a third party service.
read the full mirotalkc2c 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 mirotalkc2c more popular?
cobalt has 43,316 GitHub stars and mirotalkc2c has 513. cobalt has the larger community by that measure.
Are cobalt and mirotalkc2c free?
Both are open source. cobalt is licensed under AGPL-3.0 and mirotalkc2c under AGPL-3.0. Neither carries a licence fee.
What is the difference between cobalt and mirotalkc2c?
cobalt is written in Svelte and mirotalkc2c 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 mirotalkc2c?
Choose cobalt if you want the larger community (43,316 stars) or its AGPL-3.0 licence terms. Choose mirotalkc2c if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.