Dzen is a general purpose messaging, notification and menuing program for X11. It was designed to be fast, tiny and scriptable in any language.
Small, fast, very tiny set of dependencies (Xlib only by default)
Scriptable in any language
Sophisticated formating language - including colours, icons, graphics
Versatile - display all sorts of information
Interactive - user defined mouse and keyboard actions
Optional XFT support
Optional XINERAMA support
The original program was written by Robert Manea. The website can be found here.
The original program is licensed under the MIT/X11.
I made the following modifications to the program:
The source code can be found here.