There are so many tools available for ACCOMPLISHING performance testing, GUI testing, test management, load testing, functional testing etc. Among various tools, the FOLLOWING are the most commonly used tools for performance testing:

• QALoad: This tool is used to perform load tests of web APPLICATIONS, databases and char-based management systems.
• LoadRunner: This tool is used to test web applications by using a wide range of platforms and ENVIRONMENTS. This is used for getting the performance metrics of every component to identify the bottlenecks.
• WebLOAD (Radview): This is another tool for running performance and load tests and also comparing the test metrics.
• Silk performer: This tool is used for predicting behaviour in terms of complexity and size of e-business before deploying the application.
• Rational performance tester (IBM): This tool was developed by IBM and is used to perform automated performance testing of the server and web-based applications.
• JMeter: JMeter is a Java-based open source performance testing tool that can be used to test both static and dynamic web applications and resources. It is used for SIMULATING heavy server load for testing the strength and analyzing overall performance under varying load.
• Flood.io: This is another load testing tool that is used for executing globally distributed tests on performance from different tools like Selenium, JMeter etc.