Useful Links:

• Spec.org.  Amazing site with lots of benchmark numbers.
• Steve McConnell.  Author of such classics as Code Complete, Software Project Survival Guide, and Rapid Development. 
• Developer.com and CodeGuru are outstanding sites with resources for both developers, testers, leads and managers.
• eWink. The Granitetower.net site was built using eWink Synthesis.
• MD5 Calculator -- a small Windows utility

See also our tool tips.