head to head · open source
cobalt vs odc
cobalt has 43,461 GitHub stars, 3,812 forks, 269 open issues and last shipped 6 months ago. odc has 592 stars, 76 forks, 368 open issues and last shipped 9 months ago. cobalt leads on adoption by 7,241% (43,461 vs 592 stars). cobalt is written in Svelte under AGPL-3.0; odc is written in Java under Apache-2.0. cobalt has attracted 9% as many forks as stars, odc 13%. cobalt 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 | odc | |
|---|---|---|
| GitHub stars | ★ 43K | ★ 592 |
| License | AGPL-3.0 | Apache-2.0 |
| Written in | Svelte | Java |
| Last push | 2026-04-06 | 2025-12-25 |
| Forks | ⑂ 3.8K | ⑂ 76 |
| 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 odc if
- You want the odc feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Java
- You evaluated both and odc 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 odc
English 中文 OceanBase Developer Center (ODC) OceanBase Developer Center, or ODC for short, is an open source, all encompassing tool for collaborative database development and data management across various scenarios. By streamlining collaborative efforts, ODC addresses the challenges of risk management during database changes, efficient data management, and data security concerns. 🤔 What ODC Offers and Why Choose ODC? Effortless SQL Development, Anytime, Anywhere Utilizing modern web architecture, ODC provides unparalleled accessibility to your databases, allowing you to perform SQL development tasks on the go, r…
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Frequently asked questions
Is cobalt or odc more popular?
cobalt has 43,461 GitHub stars and odc has 592. cobalt has the larger community by that measure.
Are cobalt and odc free?
Both are open source. cobalt is licensed under AGPL-3.0 and odc under Apache-2.0. Neither carries a licence fee.
What is the difference between cobalt and odc?
cobalt is written in Svelte and odc in Java. 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 odc?
Choose cobalt if you want the larger community (43,461 stars) or its AGPL-3.0 licence terms. Choose odc if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.