digiKam

https://www.digikam.org/

https://download.kde.org/stable/digikam/

Darktable

https://www.darktable.org/

https://github.com/darktable-org/darktable

RawTherapee

https://rawtherapee.com/

https://github.com/Beep6581/RawTherapee

Photolemur

https://photolemur.com/

Luminar

https://skylum.com/hans/luminar

Aurora HDR

https://skylum.com/hans/aurorahdr

Adobe DNG Converter

https://helpx.adobe.com/cn/photoshop/digital-negative.html