OpenSignvsStirling-PDF
Two self-hosted Document Management projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| OpenSign | Stirling-PDF | |
|---|---|---|
| Score | 69/100 | 87/100 |
| Rank in category | #8 of 47 in Document Management | #1 of 47 in Document Management |
| GitHub stars | 7 254 | 96 441 |
| Stars, last 30 days | +175 | +2 618 |
| Stable releases, 12 months | 19 | 26 |
| Latest release | v3.1.1 · 10 Nov 2026 | v3.3.0 · 5 Nov 2026 |
| Setup | Moderate | Moderate |
| Official Docker image | Yes | Yes |
| License | AGPL-3.0 | MIT |
| Main language | JavaScript | Typescript |
Which one should you pick?
Stirling-PDF scores 87/100 against 69/100 for OpenSign, so it is the safer default.
Stirling-PDF ships more often: 26 stable releases in the past year, against 19 for OpenSign.
Stirling-PDF is growing faster right now (+2 618 stars in 30 days).
Key differences
- License: OpenSign is AGPL-3.0, Stirling-PDF is MIT.
- Language: OpenSign is written mainly in JavaScript, Stirling-PDF in Typescript.
- Platforms only OpenSign lists: DigitalOcean.
- Platforms only Stirling-PDF lists: CasaOS, Docker, Kubernetes, Linux and 4 more.
- Features only OpenSign lists: Audit trails and completion certificate, Customizable email templates, Digital certificate signing (P12/PFX), Document vault (OpenSign Drive) and 10 more.
- Features only Stirling-PDF lists: AI-assisted PDF processing, Audit Logging, Automation pipelines, Compression and 10 more.
- Both offer: REST API.
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