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OpenKM CommunityPaperless-ngx
Freemium

The Community Edition is free. Professional editions are paid.

 Free

Free and open source under the GPL.

Windows, Linux, Web, Self-hosted Linux, Self-hosted, Web
  • Workflow engine and metadata model suited to business document handling
  • APIs for integrating with other systems
  • OCR plus full-text search turns a pile of scans into something you can actually find things in
  • Learns your tagging and classifies new documents automatically
  • The community edition trails the paid professional editions
  • Java application stack that is heavy to deploy and maintain
  • Docker Compose is the realistic deployment path; there is no desktop installer
  • You need a scanner and a workflow to feed it
Self-hosted, Web application Self-hosted
Open source Open source
License: GPL-2.0 License: GPL-3.0
Not stated if an account is needed No account needed
Not stated if it works offline Works offline

Checked September 22, 2026

Checked September 21, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.