Apache JMeter, Selenium, UI.Vision RPA, Endtest, LambdaTest, Cerberus Testing, Testim, Testsigma, TestComplete, Selenium IDE, Screenster, Ranorex Studio, RecTester, Appium, API Tester, Phantomjs, Repeato, BugBug.io, Kualitee, WatiN, Iron Test, TestProject, TestingWhiz, Uier, SnapTest, HailStorm, ANWENDO, Cybersecurity Maturity Index (CMI)., Maveryx are some alternatives to Katalon Studio.