darktable is an open source photography workflow application
HARFANG 3D source code public repository
A fast, self-contained, highly customizable Aseprite-to-Unity importer
An aseprite-file importer for unity written in C#
A shader-based software renderer written from scratch in C89
Complete solution for HDR photography
Free yourself
Graphical Interface for Medical Image Analysis and Simulation
Audio & Video Producer Suite