Open Source Testing
Features details of Open Source testing tools for functional, performance and security testing, link checking, test management and bug tracking systems.
http://www.opensourcetesting.org/

Web Test Tools
Listing of 390 web test tools and management tools - load testing, java testing, link checking, html validation, security testing, publishing control, content management.
http://www.softwareqatest.com/qatweb1.html

PowerCheck
Helicopter engine performance / power check / trend monitoring program.
http://www.v-planner.com/powercheck/

AtomInterSoft
Offer AliveProxy Server, which supports connection sharing, specific url blocking and anonymisation features. Also has integrated proxy checking tool for testing speed and availability of public proxies. [Windows]
http://atomintersoft.com/

Extreme Testing
Software Quality Assurance. Software Testing Resources: Testing Methodology and Techniques, All that can be useful to any software tester. This site contains a lot of interesting information, including recommendations, a testing dictionary, links to shareware tool downloads, and reviews of books that are bound to interest software testers. Tutorials, Articles and Training. Some humor makes this site more valuable.
http://www.geocities.com/xtremetesting/

Robert A. Cameron & Associates
Increase Employee Retention with online employee assessment and evaluations tools offered by Robert A. Cameron And Associates. We help you manage your greatest asset, your employees!
http://www.racameron.com

Model checking
Model checking Erlang code through formal methods.
http://www.dcs.shef.ac.uk/~jd/Projects/erlang.html

AdventNet QEngine
Load Testing and Functional Testing Tool For Web Applications and Web Services. Download Now. Supports HTTP/ HTTPs, SOAP Web Services Testing.
http://www.adventnet.com/products/qengine/index.html

BioDiagnostics, Inc.
BioDiagnostics, Inc. is the leader in genetic purity, trait purity, and standard seed testing.
http://www.biodiagnostics.net/

Sheffield Testing Labs
Providers of independent testing and calibration services. Mechanical testing, materials testing, corrosion testing and calibration service provided.
http://www.sheffieldtesting.com/