The following articles are relevant to the content on OpenSourceTesting.
A primer in software testing by Nick Jenkins: white vs black box; unit, integration and system testing; automated testing; planning, preparation and metrics.
This is from InfoWorld, May 11 2007. Three web application testing tools are examined, compared and rated. The tools are soapUI, TestMaker, and WebInject.
This is from DevSource, May 6 2004 by Dee-Ann LeBlanc. Full-length article on how to do test automation when you can't even afford testing staff, let alone a commercial test-automation tool. Gets into a good primer on Test Driven Development before looking at some open-source testing tools.
This is from E-Week, August 11 2003, by Jim Rapoza. A brief discussion of open-source vs proprietary testing tools, with reviews of a few open source tools listed on this site.
Test Infected! The original article on Test Driven Development by Kent Beck and Erich Gamma. A great primer on TDD and an intro to how to use JUnit.
Tcl testing resources - Tcl is used extensively in testing, including by some companies like Motorola, Cisco, Sybase and Oracle that have millions of lines of testing code.
Quality Labs is an open-source repository with a similar style to Sourceforge, but with the benefit that it only hosts projects which address software quality.
Open Testware Reviews - Danny Faught's subscription-based service with articles and presentations about free test tools
Software QA Testing and Test Tool Resources - Very long and well-maintained list of testing tool resources.
A must see site for anyone involved in SQA, testing, and software development. Quality assurance/testing links, with an emphasis on bug tracking and defect tracking tools, articles, sites, books, forums, and other subjects related to bug tracking and defect tracking.
Methods & Tools newsletter Free e-newsletter providing practical knowledge for software development professionals including many testing-related topics.
O'Reilly Network - excellent open-source resource site, also containing the ONLamp.com site for linux, apache, mysql, php, python and perl development.