There are a number of different technologies that can be used in automation testing. Some of the most popular technologies include:

• Selenium: Selenium is an open-source automation testing framework that can be used to automate web applications. It is one of the most popular automation testing frameworks available, and it is supported by a large community of users and developers.

• Appium: Appium is an open-source automation testing framework that can be used to automate mobile applications. It supports a wide range of mobile platforms, including Android, iOS, and Windows.

• Katalon Studio: Katalon Studio is a commercial automation testing tool that can be used to automate web and mobile applications. It is a user-friendly tool that is designed for both beginners and experienced testers.

• HeadSpin: HeadSpin's platform allows businesses to test their applications across a variety of devices, operating systems, and network conditions. The platform also provides data science-driven insights that help businesses identify and fix performance issues.

• Cucumber: Cucumber is a tool that can be used to automate acceptance tests. Acceptance tests are tests that are written in plain text, and they are often used by non-technical stakeholders to verify that the software meets their requirements.

• UFT: UFT (Unified Functional Testing) is a commercial automation testing tool that can be used to automate web, desktop, and mobile applications. It is a powerful tool that can be used to automate complex tests.

These are just a few of the many automation testing technologies that are available. The best tool for you will depend on your specific needs and requirements.