One test framework, for ALL your apps Maestro is a single platform that tests all of your mobile and web apps - no matter what framework your team uses.

Appium is an open-source project and ecosystem of related software, designed to facilitate UI automation of many app platforms

End to End Automation testing for Dev/QA Teams

Burp or Burp Suite is a set of tools used for penetration testing of web applications. It is developed by a company named Portswigger who make freely available a Web Security Academy which has a range of lessons on penetration testing.

Ranorex empowers software teams with comprehensive test automation tools that can handle even the most challenging user interfaces.

Free & OpenSource REST API Testing Tool for all levels in a Test Pyramid