Krystal DMS vs OpenKM Community
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 | OpenKM Community |
|---|---|---|
| Deploy effort | Read-the-docs project | Under-an-hour setup |
| Status | Actively maintained | Archived |
| Category | Document Management | Document Management |
| License | GPL-3.0 | GPL-2.0 |
| Language | Java | Java |
| Setup difficulty | Medium | Hard |
| Min. RAM | 1,024 MB | 2,048 MB |
| Deployment | bare-metal, source | docker, bare-metal, source |
| GitHub stars | ★ 50 | ★ 849 |
| First released | 2012 | 2006 |
| Replaces | DocuWare | DocuWare, SharePoint |
What are Krystal DMS and OpenKM Community?
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
OpenKM Community
OpenKM is an enterprise content management system with a community edition for storing and managing documents and records. It offers workflows, metadata, OCR, and granular security controls.
- Workflow automation
- Metadata and records management
- OCR and full-text search
- Fine-grained security
Krystal DMS vs OpenKM Community: key differences
The biggest difference is maintenance: OpenKM Community's repository is archived and no longer developed, while Krystal DMS is actively maintained. Both projects are written in Java. Licensing differs — GPL-3.0 for Krystal DMS versus GPL-2.0 for OpenKM Community. Krystal DMS is the lighter option, starting around 1,024 MB of RAM against 2,048 MB for OpenKM Community. OpenKM Community is the more established project (first released 2006), while Krystal DMS arrived in 2012. OpenKM Community has the considerably larger community, at 849 GitHub stars versus 50. OpenKM Community 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 OpenKM Community if…
- Comprehensive enterprise features
- Mature platform
Watch out for
- Heavy resource use
- Complex administration
Frequently asked questions
Is Krystal DMS or OpenKM Community better?
Neither is universally better. OpenKM Community has the larger community, while Krystal DMS is simpler to set up (medium difficulty). Choose based on the comparison table above and your own setup.
Are Krystal DMS and OpenKM Community free and open-source?
Yes. Krystal DMS is licensed under GPL-3.0 and OpenKM Community under GPL-2.0. Both can be self-hosted at no software cost.
Can I run Krystal DMS and OpenKM Community with Docker?
Krystal DMS: check the project docs for container support. OpenKM Community: yes.
Which is lighter on resources, Krystal DMS or OpenKM Community?
Krystal DMS has the smaller minimum footprint at 1,024 MB of RAM, compared to about 2,048 MB for OpenKM Community. Real-world usage depends on library size, user count, and enabled features.