International Call Guide
Save money on international phone calls with Dial Around, VoIP, Calling Cards, PC to Phone or International Callback.
http://www.call-guide.com

Checksum.org
Hundreds of ASCII docs on various computer subjects.
http://www.checksum.org

Computer Review
Print directory and searchable online market database of computer, telecommunications, internet and IT businesses.
http://www.computerreview.com

Hardware Central
Computing-centric community providing vital information, support, tools and interaction facilities for power computer users and enthusiasts.
http://www.hardwarecentral.com

Indiana University Knowledge Base
A comprehensive database of thousands of articles on computer tutorials.
http://kb.indiana.edu

KnowledgeStorm
Lists hardware, software, services white papers and other resources covering all areas of information technology.
http://www.knowledgestorm.com