Open-source C++ Libraries for medically oriented imaging research. The US National Library of Medicine sponsors this work and the NIH is encouraging its researchers to use it. Site has active newsgroups, and daily build and testing updates. http://www.itk.org/
A high-level programming system that is widely used for computer vision. Site has links to user provided contributions and online support. http://www.mathworks.com/products/matlab/
Developers of software for computer animation and special effects industry. Products do automatic camera motion recovery, and foreground subtraction. Site has regular news updates. http://www.2d3.com
Portable, open-source, C++ libraries for computer vision research and deployment. Site has links to active newsgroups and project pages, and daily documentation, build, and testing updates. http://vxl.sourceforge.net
Software and services in wide range of application areas focusing on "Image Understanding." Website has regular news updates. http://www.image-metrics.com
Machine vision systems with intuitive end-use interface. Products for quality inspection and alignment applications, 2D and 3D inspection for wafers and electronic components. http://www.pptvision.com
A GUI for the Java Advanced Imaging library. Allows grahical manipulation of image processing algorithms. Website and program are still alpha release. http://imageapp.sourceforge.net/