Apache JMeter is an open source tool for software performance testing, i.e. there is no licensing fee and it is available free. It delivers reliable results for performance & load testing requirements and also provide report for key bottleneck and areas for improvement of an application. It is free tool but it requires an expert software tester to setup right framework for performance test with most optimized architecture, which would result into various statistics of performance criteria of an application.
To learn more: http://www.tatvasoft.com/blog/guidelines-for-software-performance-testing-with-apache-jmeter/










