Hey @User, there is this list that I found on Google,
The list of driver classes could be used for the browser automation.
- AndroidDriver,
 
- ChromeDriver,
 
- EventFiringWebDriver,
 
- FirefoxDriver,
 
- HtmlUnitDriver,
 
- InternetExplorerDriver,
 
- iPhoneDriver,
 
- iPhoneSimulatorDriver,
 
- RemoteWebDriver
 
Hope this helps.