# Unison vs url-to-png

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

| | Unison | url-to-png |
|---|---|---|
| Score | 65/100 ✓ | 49/100 |
| Rank in category | #2 of 15 in File Sync | #13 of 16 in Web Scraping |
| GitHub stars | 5 559 ✓ | 256 |
| Stars, last 30 days | +65 ✓ | +0 |
| Stable releases, 12 months | 2 | 2 |
| Latest release | v2.54.0 · 1 May 2026 ✓ | v2.1.4 · 18 Apr 2026 |
| Setup | Moderate | Easy ✓ |
| Official Docker image | No | Yes ✓ |
| License | GPL-3.0 | MIT |
| Main language | OCaml | Typescript |

## Which one should you pick?

Unison scores 65/100 against 49/100 for url-to-png, so it is the safer default.

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

Unison is growing faster right now (+65 stars in 30 days).

## Details

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

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Source: https://selfhost.directory/compare/unison-vs-url-to-png