# openwhisk vs Unison

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

| | openwhisk | Unison |
|---|---|---|
| Score | 67/100 ✓ | 65/100 |
| Rank in category | #2 of 7 in Serverless | #2 of 15 in File Sync |
| GitHub stars | 6 803 ✓ | 5 557 |
| Stars, last 30 days | +5 | +64 ✓ |
| Stable releases, 12 months | 0 | 2 ✓ |
| Latest release | — | v2.54.0 · 1 May 2026 |
| Setup | Advanced | Moderate ✓ |
| Official Docker image | Yes ✓ | No |
| License | Apache-2.0 | GPL-3.0 |
| Main language | Scala | OCaml |

## Which one should you pick?

openwhisk scores 67/100 against 65/100 for Unison, so it is the safer default.

Unison ships more often: 2 stable releases in the past year, against 0 for openwhisk.

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

Unison is growing faster right now (+64 stars in 30 days).

## Details

- [openwhisk](https://selfhost.directory/project/openwhisk) (markdown: https://selfhost.directory/project/openwhisk.md)
- [Unison](https://selfhost.directory/project/unison) (markdown: https://selfhost.directory/project/unison.md)

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Source: https://selfhost.directory/compare/openwhisk-vs-unison