Selenium is a free open source automation testing tool Which is used for the automation testing also it is used for web based application. We can use Selenium in different types of browsers and platforms for testing.
Selenium is very strong, flexible and easy to use. Selenium is compatible with different type's of operating systems -
Mozilla, Google Chrome,Opera8,9,10 , IE 6,7,8.
We can use any one language of following for writing the scripts which works with Selenium like-
If the person doesnt holds a development background, then learning java
must be a beginning point for a selenium career. Selenium Framework is made itself in Java.