Selenium

Selenium is a suite of tools for automating web browsers. It is used for automating web applications for testing purposes, as well as for scraping data from websites. Selenium can be used with a variety of programming languages, including Java, C#, Python, and JavaScript. 

Selenium can be used to automate tasks across different browsers and platforms, including Chrome, Firefox, Safari, and Edge. It allows developers to simulate user interactions with a website, such as clicking buttons and filling out forms and can be used to verify that a website is functioning correctly. Additionally, Selenium can be used to take screenshots of web pages and to extract data from web pages for use in other applications.

Selenium is often used in conjunction with other testing frameworks and tools, such as JUnit and TestNG, to build comprehensive test suites for web applications. Additionally, Selenium can be integrated with other tools such as Jenkins and Docker to provide continuous integration and continuous testing capabilities.