Paperless-ngx

Paperless-ngx is a community-supported open-source document management system that turns your physical documents into a searchable online archive.

It can be operated on-premises. The software is actively maintained and licensed under GPL-3.0. It uses Python, PostgreSQL, and SQLite.

Fact Sheet

Categories
Status
Actively maintained
License
  • GPL-3.0
Operation
  • On-Premises
Technologies
  • Python
  • PostgreSQL
  • SQLite
Demo
Single Sign-On (SSO)
  • Unknown: not specified
MCP server
  • Unknown: not specified

Screenshots

The screenshots were taken on October 19, 2026, in a local instance of Paperless-ngx 3.3.2 with a German user interface and fictional sample data.

View all 16 screenshots.

Paperless-ngx document archive with thumbnails, tags, and filters for 209 documents
Document archive. Cards with document preview, correspondent, document type, date, and colored tags.
Draft invoice in Paperless-ngx with PDF preview and assigned document data
Document details. PDF preview next to title, date, correspondent, document type, and tags. The additional invoice fields were set up for this instance.
Search for "Flottenübersicht" in Paperless-ngx with three results from an invoice, a project report, and a quotation
Document search. Searching titles and content finds a draft invoice, a project report, and a quotation for the same project.
Extracted document text on the content tab next to the PDF preview in Paperless-ngx
Document content. The «Inhalt» (Content) tab shows the extracted text next to the original document.
Paperless-ngx filter for the custom field priority with the value high and 14 results
Custom field filter. The query «Priorität ist gleich Hoch» (priority equals high) narrows the archive down to 14 documents. The field was set up for this instance.
Tag management in Paperless-ngx with names, colors, and number of assigned documents
Tags. Tags for status, currency, and topics with colors, document counts, and links to the assigned documents.

Integrations

Nextcloud → Paperless-ngx (official)
Website / Source code

Open-Source Alternatives

In the Category «Document Management (DMS)»