Sysmenu is a project mainly written in C, it's free.
A System Pop-up Menu
This is a hack of dmenu to display system commands on a pop-up bar.
Dont know if I am violating any license issue :)
Credits also goes to the developers of dmenu for the original source of this hack
Enjoy
Edit the command option in 'config.h'
make
./sysmenu - to execute
Anish S Kumar