# Ouroboros vs Stirling-PDF

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

| | Ouroboros | Stirling-PDF |
|---|---|---|
| Score | 55/100 | 87/100 ✓ |
| Rank in category | #65 of 209 in AI Agents | #1 of 46 in Document Management |
| GitHub stars | 1 590 | 95 319 ✓ |
| Stars, last 30 days | +3 | +2 357 ✓ |
| Stable releases, 12 months | 8 | 25 ✓ |
| Latest release | v7.9.0 · 28 Oct 2026 ✓ | v3.2.2 · 24 Oct 2026 |
| Setup | Moderate | Moderate ✓ |
| Official Docker image | No | Yes ✓ |
| License | MIT | Other |
| Main language | Python | Typescript |

## Which one should you pick?

Stirling-PDF scores 87/100 against 55/100 for Ouroboros, so it is the safer default.

Stirling-PDF ships more often: 25 stable releases in the past year, against 8 for Ouroboros.

Stirling-PDF is growing faster right now (+2 357 stars in 30 days).

## Details

- [Ouroboros](https://selfhost.directory/project/ouroboros) (markdown: https://selfhost.directory/project/ouroboros.md)
- [Stirling-PDF](https://selfhost.directory/project/stirling-pdf) (markdown: https://selfhost.directory/project/stirling-pdf.md)

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Source: https://selfhost.directory/compare/ouroboros-vs-stirling-pdf