A powerful C++ class library for image manipulation
ImageStone is a powerful C++ class library for image manipulation. Its features include load, save, display, transformation, and nearly 100 special image effects. It can be used cross platform (includes Windows, Linux, Mac), and especially under windows it can be used as a DIB wrapper class.
Graphics Effects Environment is a framework that integrates images I/O plug-ins that supports different images formats with effects plug-ins that processes images. Includes customizable qt style(user can provide own images used to visualize gui)
Fugenschnitzer is a quick and easy to use Seam Carving program. Fugenschnitzer -- Seam Carving for everyone.
Image manipulation and generation libraries plus fractal editor and generator examples.
Photonix is a 3D Modeling and Rendering Tool that have intentions to reach 3D Max to produce Realistic Images using Photon Mapping