Toolkit for working with and mapping geospatial data
Display, convert, and edit raster image and vector image files
Another drawing editor for LaTeX with PSTricks & TikZ
Picture manager with focus on meta information (XMP, IPTC, EXIF)
Java Image Viewer And Manipulator
Vector drawing program for LaTeX using PSTricks
Professional quality open source illustration software
Extensible vector graphics editor with Latex text support.
HTML5 Terrace Planner
Cross-platform application for digital painting
Hand Written Equation Creator
An open-source cross-platform digital painting / image editing app
Modification of the graphics program GIMP to replicate Photoshop feel
Community Supported Eclipse Visual Editor