blend modesPython package that implements image blend modes
image-editor-effects💎 A WebGL example of image adjustment / effects shaders found in Photoshop, other image editors and game engines.
palette🎨 Soothing pastel theme to use within your projects!
gradient-rsA command line tool for playing with color gradients
gimp-tilemap-gbTilemap GB - Console App - AND - GIMP plugin for importing & exporting Game Boy game tilemaps and tilesets (as bitmap images or .GBM/.GBR files. Related tools: GBTD, GBMB, GBDK, Zal0-ZGB)
gimp-rom-binGIMP plug-in to read/write SNES / NES / GB / GBA / NGP / MD / etc ROM image, tile and sprite files
turpenscapeTurpenscape allows designers to create Inkscape (and Gimp!) palettes from an image or an URL
PhotoMPThe AppImage version of GIMP for those who come from Photoshop.