Below is a list of links to recommended software testing tools:

• Mercury Quality Center
  Mercury Quality Center™ provides a web-based system for automated software quality testing and management across a wide range of application environments. Dashboard technology gives you the visibility to validate both functionality and automated business processes – and identify bottlenecks in production that stand in the way of business outcomes. Mercury Quality Center enables the IT team to engage in application testing even before the development process is complete. This shortens release schedules while ensuring the highest level of quality.
• Rational Functional Tester
  An advanced, automated functional and regression testing tool for testers and GUI developers who need superior control for testing Java®, Microsoft® Visual Studio .NET®, and Web-based applications. Provides novice testers with automated capabilities for activities such as data-driven testing. Offers advanced testers a choice of scripting language and industrial-strength editor - Java in Eclipse® or Microsoft® Visual Basic .NET® in Visual Studio .NET - for test authoring and customization.
• Compuware QACenter
  Achieve business objectives with optimal application performance and reliability. QACenter delivers a unique offering of automated testing products and solutions designed to validate applications running in the full spectrum of environments, isolate and correct problems, and ensure that systems can handle anticipated load—before applications go live.
• Empirix e-TEST suite
  e-TEST suite is a powerful, easy-to-use application testing solution that ensures the quality, performance and reliability of your Web applications and Web Services. This integrated, full lifecycle solution enables you to define and manage your application testing process, validate application functionality, and ensure that your applications will perform under load. With e-TEST suite, you can deploy your Web applications and Web Services in less time while maximizing the efficiency of your testing team.
• Segue SilkTest
  Segue's integrated suite of products includes the industry's most powerful and easy-to-use automated tools for testing, tuning and monitoring enterprise applications. Collectively, they address the full range of reliability and performance challenges across the entire lifecycle of an application. Today Segue's automated tools are meeting the software quality needs of more than 2,000 companies around the world. Using Segue's tools, these companies are building high availability, accuracy and performance into their most complex applications throughout pre-production - and continually optimizing application quality during production as users, interfaces and environments change.
• RadView
  RadView Software offers an integrated suite of products that verify the performance, scalability, and integrity of business-critical Web application environments. Our award-winning products were built from the ground up specifically for Web application testing.
• Worksoft Certify
  Worksoft CertifyTM is an automated functional testing solution for empowering all product stakeholders to contribute to quality testing including QA, developers, architects, and business analysts. Certify has a minimal learning curve, significant time and cost savings - delivering comprehensive software testing through increased test coverage, creation, and throughput to institute future-proofing software testing environments.
• James Bach Test Tools
  This is a repository of some test tools written, in whole or part, by James Bach, or authorized to be distributed by him. These tools are free and open source. They are offered under the GPL 2.0 license.