The CAPTCHA Project
- Completely Automated Public Turing Test to Tell Computers and Humans Apart. Includes demonstrations, research papers, and news.
- http://www.captcha.net/

My Child Inc
- Freeware download. Name and converse with your PC.
- http://www.mychildinc.com/

Hi-Tech Solutions
- Offer systems to detect and read vehicle license plates for parking, access control, traffic surveillance, law enforcement and security applications.
- http://www.htsol.com