GDI, OpenGL and Direct3D 9 re-implementation of the DirectDraw API
Library to encode and decode images in WebP format
Image management application
eSpeak NG is an open source speech synthesizer
Free and open source voxel art tools - editor, thumbnailer and format
Doing Phonetics By Computer
The cross-platform library behind the Hugin photo stitcher
Fast and simple digital painting software
LightZone is a photo editor for Mac, Windows, and Linux
OBS Linux Vulkan/OpenGL game capture
Random digital audio effects
FFmpeg implements video cropping, watermarking, transcoding
Library for encoding and decoding .avif files
Drawing, graphics conversion, software development, administration.
An award-winning drawing program for children of all ages
Swiss army knife of image processing
MP4 tagging library
Open Source Solid Modeling CAD
Tools to process and visualize scientific data and images
Various small and useful command-line utilities