In 2025, top automation testing tools include Selenium, a versatile open-source tool for web testing across browsers and platforms. Cypress excels with fast, real-time execution for modern web apps, while Playwright supports cross-browser testing and dynamic content handling. Appium is the go-to for mobile app testing across multiple platforms. TestComplete offers an all-in-one solution with scripted and keyword-driven testing. Katalon Studio is an easy-to-use tool for multi-platform testing. Jest is ideal for JavaScript and React apps, Postman is perfect for API testing, Robot Framework is extensible, and TestCafe provides simple web app testing.