AutoIt, Selenium, UI.Vision RPA, UBot Studio, LambdaTest, CasperJS, TestComplete, RecTester, Robot framework, Katalon Studio, httest, Pincers, Mobitaz, Webinject, TestProject, Watir, Uier, dryscrape, Citrus framework, DalekJS, SlimerJS, Sahi, HP StormRunner Load, Abmash, FunkLoad, Calaba.sh, Windmill, Browser Integrated Testing Environment, Twister Testing, SAFS, GraphWalker are some alternatives to Screenster.