darktable

Program for developing and organising RAW photos, for photographers.

GPL-3.0Strong copyleft

Desktop app: installed on users' computers, not run as a web service.

Building on it: what may you do?

Short answers based on the licence, for the version in the catalog.

  • B1 Change the code for internal use in your company Yes Yes, as long as you don't distribute it.
  • B2 Build your own product or service on top and offer it to customers as SaaS Yes Yes. Running it as a service is not distribution.
  • B3 Make a closed-source derivative and sell or distribute it No No. If you distribute it, the whole work must carry the same licence, with source.
  • B4 Use the project's name and trademark No No, not without permission. The licence covers the code, not the name or logo.

This is guidance, not legal advice. Check with a lawyer before deciding.

The licence in brief

GNU GPL 3.0 (GPL-3.0)

Strong copyleft. Free to run internally and as a service. If you distribute it, the whole work must be GPL with source.

What does GPL-3.0 mean?

This is guidance, not legal advice (inte juridisk rådgivning). Check with a lawyer before deciding.

Facts

Licence
GPL-3.0
Licence type
Strong copyleft
Open core
No
GitHub stars
13.2k
Latest activity
Deployment
Desktop
Login/SSO
Unknown
API
Unknown
Multi-tenant
Unknown
EU vendor
Unknown
Source
GitHub API, fetched 2026-10-03

Licence analysis per use case

Sign in to see what the licence means for eight use cases – from internal self-hosting to offering the tool as a service.

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