Powerful and easy-to-use embedded GUI library with many widgets
A lightweight, lightning-fast, and powerful image viewer
Hewlett-Packard's Linux imaging and printing software
A portable, multi-platform, command-line driven graphing utility
An award-winning drawing program for children of all ages
Swiss army knife of image processing
Model Railway CAD program
Retro Computer Image Library
The cross-platform library behind the Hugin photo stitcher
Open Source Solid Modeling CAD
Display, convert, and edit raster image and vector image files
View Sixel images in Windows, and Sixel image repository
LDraw™ editor for LEGO® style digital building instructions.
Cross Platform GUI Toolkit