Gwyddion
gwyddion.netCorrect and measure microscopy height fields
Correct and measure microscopy height fields
Resize by percentage or pixel dimensions
Evaluate RAW exposures before developing them
Remove unwanted brightness gradients from astroimages
Overlay and edit animated or still images
Automate portrait retouching and batch cleanup
Develop RAW photos with local masks and saved snapshots
Combine shots taken at different focus distances
Browse, compare and correct photo collections
Select and finish an OM photo collection
Compress images for storage and delivery
Label images for interactive classification
Inspect multidimensional images with annotation overlays
Develop, organize and layer photo edits
Resize and rename image batches
Manage photos and develop RAW images
Process astrophotography with signal-aware tools
Organize and batch-edit a photo collection
Convert supported camera RAW files to DNG