Selenium was developed as an internal tool in 2004 at ThoughtWorks and later it made publicly available as Selenium Webdriver coming out from alpha and beta stage in 2009
Selenium is the best tool even till now, it supports multiple browsers, ecosystems, language binding and many tools are extending Selenium or building on the top of Selenium even till date.
Lets discuss about each and every tool one by one
Here is the complete video of the above discussion
Thanks for reading the article and watching the video, please share your comments and let me know if I am missing anything in the discussion so that I can add one or make an all-new article.