darktable is an open source photography workflow application
An award-winning drawing program for children of all ages
Model Railway CAD program
Toolkit for working with and mapping geospatial data
A fast way to set photo metadata tags
Display, convert, and edit raster image and vector image files
JaxoDraw: Feynman Diagrams made easy!
A Java image editor
A simple LaTeX {picture} drawing tool
Installs 180 Photoshop and GIMP Brushes, Plugins + Scripts fast
A simple multi-platfom 2D Animation Software for all ages!
This first-world Photoshop's plug-in features artificial intelligence
Picture manager with focus on meta information (XMP, IPTC, EXIF)
Another drawing editor for LaTeX with PSTricks & TikZ
Java Image Processing Program
Imaging application for GNUstep and MacOS
Resize images quickly and easily.
Picture Metadata Workplace
A bunch of unofficial icons based on Google's Material Design Icons.
Helpful tools to extend the NWN Toolset