Selenium - Selenium automates browsers. That's it! What you do with that power is entirely up to you. Primarily, it is for automating web applications for testing purposes, but is certainly not limited to just that.
Oracle Application Testing Suite - Oracle Application Testing Suite is a comprehensive, integrated testing solution for web applications and services.
IBM Rational Performance Tester - IBM Rational Performance Tester offers performance test automation to achieve testing earlier or more often or continuous testing.
Sauce Labs - Test mobile or web apps instantly across 700+ browser/OS/device platform combinations - without infrastructure setup.
Micro Focus LoadRunner - Micro Focus LoadRunner is the number one load testing tool for project teams.
JMeter - Official Twitter account of JMeter, the open source load testing tool by @TheAsf. Code: https://t.co/ADK2A8Pl14. Website: https://t.co/oc0MW2ksea