Krystal DMS vs Paperless-AI
A side-by-side comparison of two self-hosted document management options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | Krystal DMS | Paperless-AI |
|---|---|---|
| Deploy effort | Read-the-docs project | Under-an-hour setup |
| Category | Document Management | Document Management |
| License | GPL-3.0 | MIT |
| Language | Java | JavaScript |
| Setup difficulty | Medium | Medium |
| Min. RAM | 1,024 MB | 512 MB |
| Deployment | bare-metal, source | docker |
| GitHub stars | ★ 50 | ★ 5,952 |
| First released | 2012 | 2024 |
| Replaces | DocuWare | DocuWare |
What are Krystal DMS and Paperless-AI?
Krystal DMS
Krystal DMS is an open-source document management system that helps organizations store, index, and retrieve documents through a web interface. It includes metadata management, search, and permission controls.
- Metadata indexing
- Document search
- Role permissions
- Web interface
Paperless-AI
Paperless-AI is a companion service for Paperless-ngx that uses large language models to automatically analyze, tag, and categorize scanned documents. It connects to a Paperless-ngx instance and enriches documents with AI-generated metadata.
- AI-powered tagging
- Automatic categorization
- Paperless-ngx integration
- Document chat
Krystal DMS vs Paperless-AI: key differences
Krystal DMS is written in Java, while Paperless-AI is built with JavaScript. Licensing differs — GPL-3.0 for Krystal DMS versus MIT for Paperless-AI. Paperless-AI is the lighter option, starting around 512 MB of RAM against 1,024 MB for Krystal DMS. Krystal DMS is the more established project (first released 2012), while Paperless-AI arrived in 2024. Paperless-AI has the considerably larger community, at 5,952 GitHub stars versus 50. Paperless-AI lists first-class Docker deployment; Krystal DMS does not.
Why pick each one
Choose Krystal DMS if…
- Straightforward feature set
- Free to use
Watch out for
- Limited modern tooling
- Sparse documentation
Choose Paperless-AI if…
- Released under the MIT license
- First-class Docker support for quick deployment
- Mature project with 6k GitHub stars
- Written in JavaScript
Frequently asked questions
Is Krystal DMS or Paperless-AI better?
Neither is universally better. Paperless-AI has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.
Are Krystal DMS and Paperless-AI free and open-source?
Yes. Krystal DMS is licensed under GPL-3.0 and Paperless-AI under MIT. Both can be self-hosted at no software cost.
Can I run Krystal DMS and Paperless-AI with Docker?
Krystal DMS: check the project docs for container support. Paperless-AI: yes.
Which is lighter on resources, Krystal DMS or Paperless-AI?
Paperless-AI has the smaller minimum footprint at 512 MB of RAM, compared to about 1,024 MB for Krystal DMS. Real-world usage depends on library size, user count, and enabled features.