# cobalt vs sink

> Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.

| | cobalt | sink |
|---|---|---|
| Score | 83/100 ✓ | 68/100 |
| Rank in category | #1 of 45 in Download Management | #5 of 23 in URL Shortener |
| GitHub stars | 45 605 ✓ | 7 244 |
| Stars, last 30 days | +1 795 ✓ | +85 |
| Stable releases, 12 months | 0 | 13 ✓ |
| Latest release | — | v0.3.1 · 27 Sept 2026 |
| Setup | Easy ✓ | Moderate |
| Official Docker image | Yes ✓ | No |
| License | AGPL-3.0 | AGPL-3.0 |
| Main language | Svelte | Typescript |

## Which one should you pick?

cobalt scores 83/100 against 68/100 for sink, so it is the safer default.

sink ships more often: 13 stable releases in the past year, against 0 for cobalt.

If you want the quickest setup, cobalt is easier to run; sink needs more configuration.

cobalt is growing faster right now (+1 795 stars in 30 days).

## Details

- [cobalt](https://selfhost.directory/project/cobalt) (markdown: https://selfhost.directory/project/cobalt.md)
- [sink](https://selfhost.directory/project/sink) (markdown: https://selfhost.directory/project/sink.md)

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Source: https://selfhost.directory/compare/cobalt-vs-sink