Selenium is an open-source automation testing tool and it is composed of several testing software tools; each has its own defined purpose. There are many organisations which has started off directly with Selenium IDE and the reason it is easier to use if you do not have any prior experience in programming or scripting language. Selenium helps to easily adapt to the Selenium commands. To become a good software tester you need to understand which of the Selenium tool kits are best suited for your project. It might be possible that Selenium 1 to Selenium 2 is required in conjunction with each other along with the supported programming languages. If you want to become a software tester and especially by using Selenium then it is required that you must have a certificate in it, in order to get the certificate in Selenium you can go with the following Selenium training course. If you want to learn it for free of cost then you can visit the below-mentioned link to watch the tutorial free of cost.