Open-source alternatives to Adobe Lightroom
3 alternatives, ranked by a published maintenance score computed from live GitHub signals (fetched 2026-09-04). We flag unmaintained projects on both sides — including Adobe Lightroom itself when the data says so.
About Adobe Lightroom: Proprietary, subscription-only. Alternatives searched mainly for RAW workflows without a subscription. It is closed-source, so the same public maintenance signals do not exist for it — we score only the alternatives below.
The alternatives
PhotoPrism
Covers the library-management half: AI-assisted photo cataloguing, self-hosted.
How this 90/100 was computed
| Last commit | today | 40/40 |
|---|---|---|
| Latest release | 38 days ago | 25/25 |
| Community size | GitHub stars | 15/15 |
| Open-issue trend | not enough history yet — needs snapshots 21+ days apart; neutral 10/20 awarded meanwhile | 10/20 |
| Total | 90/100 |
darktable
RAW developer and photo workflow application; non-destructive editing.
How this 87/100 was computed
| Last commit | today | 40/40 |
|---|---|---|
| Latest release | today | 25/25 |
| Community size | GitHub stars | 12/15 |
| Open-issue trend | not enough history yet — needs snapshots 21+ days apart; neutral 10/20 awarded meanwhile | 10/20 |
| Total | 87/100 |
RawTherapee
RAW processing program focused on image quality and detailed control.
How this 84/100 was computed
| Last commit | 7 days ago | 40/40 |
|---|---|---|
| Latest release | 40 days ago | 25/25 |
| Community size | GitHub stars | 9/15 |
| Open-issue trend | not enough history yet — needs snapshots 21+ days apart; neutral 10/20 awarded meanwhile | 10/20 |
| Total | 84/100 |
digiKam
Photo management suite from KDE: cataloguing, tagging, RAW support.