XMIPP is an image processing suite for 3D-reconstruction of biological specimens from transmission electron microscopy data. NOTE that stable releases (including binaries) are longer stored at Sourceforge, but are available at http://xmipp.cnb.csic.es
UIMP(Unified Image Manipulation Program) is an OS independent Image Processing system, which provides over 1000 algorithms and supports web online, console and GUI program.
Scribe Software is a software system for the nondestructive scanning and digitization of books with the Internet Archive's Scribe machine. The Java UI and PHP image processing pipeline produce books for www.archive.org and other digital libraries.