Apache JMeter is an open-source Java application that tests load and functional behavior and performance in applications. Created initially to test web applications, it has expanded its functionality to test other functions. For instance, you can test a server to see how efficiently it works and how many user requests can be handled simultaneously.
Free
This is an open-source solution, and there are no fees.
Free
This is an open-source solution, and there are no fees.
Test Asset reusability for performance monitoring
Silk Performer can considerably speed up testing cycles by allowing you to reuse your existing functional tests. Use Silk Test® or Selenium for performance testing and synthetic monitoring purposes as well.