Katalon Studio is an Automation tool for web and mobile app automation testing. Katalon Studio has all the powerful features that help overcome common challenges in web UI test automation like a pop-up, iFrame, wait-time, report management, data-driven automation. overall you can say its good competitor of selenium. It’s open-source so you never need to pay any cost. you need one activation. and here is the complete Katalon studio tutorial with easy steps.
Katalon Studio is available on the official website you can be downloaded at https://www.katalon.com.
Katalon studio tutorial