Wikipedia
Brainbench
Brainbench was founded in January 1998 (until 8 December 1999 the name was Tekmetrics.com) and was later acquired by PreVisor. Brainbench provides online certifications mainly in the Information Technology field and others in general. The company has provided its services to over 5,000 corporate clients and over 6 million individuals. Some of Brainbench's 630 exams are available free of charge, while others are administered for a fee.