# Selenium QTP 1 Open source Paid tool 2 Works on all OS Works on Windows 3 Tests only Web applications Tests web and desktop applications 4 Works on almost all browsers Works on IE ,Firefox and Chrome(Partially) 5 Code can be made in any one of languages such as Java, C#, Ruby, Python, pearl, php etc Uses Vb Script 6 No object repository Has got an object repository 7 IDE sometimes does not record some events Recording is a little reliable events 8 Core engine is java script and is very strong Core engine is not java script based