GraphicsMagick provides a set of commandline tools and programming APIs for manipulating, editing, and converting raster and vector images. It is derived from ImageMagick, with the objective of providing better stability and performance than ImageMagick while retaining the original MIT/X11 license.
Float-ditherer is a tool that converts images into pure 1-bit images using a user specified palette tailored to convert images,textures and sprites using a float-based sampling method and float matrix.
The software is meant to be lightweight and for power-users
A photo editor and image processing software that provides real professional photo lab effects like smoothing and color filters, adaptive photo enhancement (adaptive sharpness and contrast). Based on C++ using wxWidget makes available for various OS (Lin