GIMP, Adobe Lightroom, digiKam, ACDSee Photo Studio, Capture One, Snapseed, Adobe Photoshop Lightroom Classic, PhotoFiltre, Shotwell, RawTherapee, Polarr, Photo Mechanic, Capture NX-D, LightZone, CyberLink PhotoDirector, Corel AfterShot Pro, PhotoFlow, RAW Power, Arcane Photos, Pixeluvo, F-Spot, Aperture, XGimp, Filmulator, Rawstudio, Digital Photo Professional, DxO PhotoLab, Aftershoot, Priime, UFRaw, Pics.io, IMAGIA, Photo Ninja, DDRoom, Light Developer, Emulsion, gtkam, nama5 RAW processor, Bibble, Scarab Darkroom, Photo Toolbox are some alternatives to Darktable.