Thanuja Vishwanath wrote:...Iam not looking for development tool.
Thanuja Vishwanath wrote:Iam looking for some front end UI development tools
Ok. By examples I understand it is 'Web Development'.
I never used it but you can try
Aptana.
Open Source? - not sure.
Support for HTML5 - again not sure.
Coming to support for multiple browser, if I were at your place, I would install all those browsers to see myself if they actually work rather than relying on IDEs/tools.
Because there is no point in designing a world class wonderful UI thing which the user can not can not even see! !!!