OpKey is a Tool Agnostic Test Automation Platform, developed by CresTech Software Systems. It eliminates the need of complex programming knowledge for test automation and allows users to move to Test automation in an effortless manner. Organizations can use OpKey for its standalone capabilities in test automation. Furthermore, OpKey has been designed to work with the widely used test plug-ins which include Selenium, Sikuli, RFT and QTP.
For detailed information on OpKey installation, please refer : https://opkey.crestechglobal.com/user-guide/pages.php?subid=66&accordid=2