Free & Open-Source ON1 Effects Alternatives

Photo effects and filter pack.

1. GIMP + G'MIC ↗ FOSSPRIVATE
   GIMP with the G'MIC filter framework.
   ●●○Medium · Different shortcuts — re-learn
2. Darktable ↗ FOSSPRIVATE
   Lightroom-style RAW developer with non-destructive editing.
   ●●○Medium · Reads camera RAW files
3. RawTherapee ↗ FOSSPRIVATE
   Powerful RAW photo processor with advanced color tools.
   ●●○Medium · Reads camera RAW files