“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. Boring web-based administration tasks can (and should!) be automated as well.”
Static code analysis, Testing and Continuous Inspection.
Continuous Inspection. SonarQube provides the capability to not only show health of an application but also to highlight issues newly introduced. With a Quality Gate in place, you can fix the leak and therefore improve code quality systematically.
HP Load Runner
HP LoadRunner is an automated performance and test automation product for application load testing: examining system behavior and performance, while generating actual load.