darktable edits your images non-destructively all the way through its pipeline. Your original image is never modified! Professional color management features ensure fidelity all the way to print and GPU accelerated processing means you can speed up your workflow using your video card. - darktable

• Support JPEG-XL

darkroom

Is the Editor part or dartable (lighttable is the browser part).

Using it as standalone editor

By default you cannot do multiple openwith darktable, since it try to ope its Sqlite-DB and then locked it.

The trick? is to have it uses an in memory? for each instance, see darktable options

$ darktable --library :memory: # specifying :memory: only avoid writing change to the disk ? - TBD-

see also

• Ansel / HN - fork from darktable
• Sageligh