Software
Links
2d3
Developers of software for computer animation and special effects industry. Products do automatic camera motion recovery, and foreground subtraction. Site has regular news updates.
Image Metrics
Software and services in wide range of application areas focusing on "Image Understanding." Website has regular news updates.
ImageApp
http://imageapp.sourceforge.net/
A GUI for the Java Advanced Imaging library. Allows grahical manipulation of image processing algorithms. Website and program are still alpha release.
IMAGO Video Trackers
A target tracking system provider, their main product is a portable, fast, integrated video target tracker, with trajectory and miss distance analysis.
Ingenieursburea Matrix BV
Electronic development and Machine Vision, especially for carpet and textile inspection.
Insight Segmentation and Registration Toolkit
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.
Kentec
A vision systems and software engineering consultancy.
Matlab
http://www.mathworks.com/products/matlab/
A high-level programming system that is widely used for computer vision. Site has links to user provided contributions and online support.
OpenCV
http://www.intel.com/research/mrl/research/opencv/
An open source computer vision library from Intel and optimized for their processors. Site has active newsgroup and project links.
PerceptiVU
Offer real-time target tracking and machine vision software and systems.

