FSConsole is a project mainly written in ..., it's free.
A very simple web console for FreeSWITCH, written in GWT.
FSConsole
A web-based console for acessing the FreeSWITCH console through a web browser. This code is old and not guaranteed to work with modern versions of FreeSWITCH, nor with current GWT compilers.
The build/FSConsole.zip file contains the compiled code that you might unzip to your htdocs dir and open it on a browser straight away.