free image processing software
Bildster is an image processing library for educational purposes.
Add watermark to any image or photo (batch processing available).
View and alter images (batch processing available).
A set of plugins and tools for ImageJ (Image processing sofware)
iwatermark is a image watermarking web application.
An Image Processing Framework
Open source library for processing arrays and matrices
Output Processing script from Java AWT/Swing paint call
Open source software for processing XTF files
StereoWS developed by UCL-MSSL within the ProVisG project