Testing and validating REST services in Java is harder than in dynamic languages such as Ruby and Groovy. REST Assured brings the simplicity of using these languages into the Java domain.

Design, debug, and test APIs locally or in the cloud

Robot Framework is a generic open source automation framework. It can be used for test automation and robotic process automation (RPA).

Fully integrated API and web service testing capabilities that automate end-to-end functional API testing.

HyperTest is a no-code test automation tool that regresses all your APIs by auto-generating integration tests using your network traffic, also giving a way to reproduce these failures inside actual user-journeys.

Selenium automates browsers. That's it! What you do with that power is entirely up to you.