An award-winning drawing program for children ages 3 to 12
Tux Paint is a free, award-winning drawing program for children ages 3 to 12. It combines an easy-to-use interface, fun sound effects, and an encouraging cartoon mascot who guides children as they use the program. Kids are presented with a blank canvas and a variety of drawing tools to help them be creative. Along with paintbrush, shapes and text, Tux Paint includes a "stamp" feature to add pre-drawn or photographic imagery to pictures, and a set of "magic tools" that provide filter effects (like blur, tint and waves) and interesting drawing tools (like train tracks, bubbles and grass). Tux Paint includes a collection of "starter" images, both coloring-book style and photo-realistic, and a large collections of stamps are available as a separate download. Additional content can be added by parents and teachers, or downloaded from 3rd parties. Tux Paint is available for Linux, BSD, Windows, Mac OS X and Haiku operating systems.
mtPaint is a painting program designed for creating icons and pixel-based artwork. It can edit indexed palette or 24 bit RGB images and offers painting, palette, and image manipulation tools.
ArahPaint4 - program for drawing images in repeat mainly intended for textile design (jacquard) - supports different X:Y aspect ratio - layers - unlimited undo - works fast with large images - seamless drawing in repeat - advanced textile filters - integrated image browser
A cross-platform painting tool.
PhoXo Core Library (PCL) is a set of powerful image manipulation library for C++, it's OS independent and highlights are : Undo/Redo,multiple-layer,region selection,tens of image effect...