Selenium is a suite of tools for web automation testing.

Selenium first came to life in 2004 when Jason Huggins was testing an internalapplication at ThoughtWorks.

Selenium was a tremendous tool, it wasn’t without it’s drawbacks. Because of its Javascript based automation engine and the security limitations browsers apply to Javascript, different things became impossible to do.

Selenium Suite of projects include:

Selenium IDE

Selenium Core

Selenium 1 (known as. Selenium RC or Remote Control)

Selenium 2 (known as. Selenium Webdriver)

Selenium-Grid