Simple GTK# Paint Program
Kavita is a fast, feature rich, cross platform reading server
Display, convert, and edit raster image and vector image files
Simple Application Tool for Resizing JPEG Image.
A full featured cross-platform image library
Crop images by specified numeric value.
FNT Font editor
Console Drawing
A powerful C++ class library for image manipulation
1st 3D game engine built in C# for .NET, Visual3D Engine's predecessor