XRefresh can refresh browser as you modify source files.
XRefresh is a browser plugin which will refresh current web page due to file change in selected folders.
Typical usage scenario is for local web development on a machine with two monitors. When you hit ï£¿+S (or whatever key for save), XRefresh will detect it and refresh a web page for you.
Installation on OSX:
1) Install Firebug 1.3
2) Install XRefresh Addon
3) Execute "sudo gem install xrefresh-server" in Terminal
Usage: Execute "xrefresh-server" in Terminal