Katalon Studio is a free and robust automation solution for API, Web and Mobile testing. It integrates all necessary components with built-in keywords and project templates into a complete automation framework. Katalon Studio is easy-to-use for new users but still offers advanced capabilities for experienced users. The solution is trusted by an active community of over 150K users from 150+ countries around the world.
The latest official release can be downloaded from Katalon website. For older versions of Katalon Studio, you can donwload from GitHub Releases page.