PyPanel is a lightweight panel/taskbar written in Python and C for X11 window
managers.  It can be easily customized to match any desktop theme or taste.
PyPanel works with EWMH compliant WMs (Openbox, PekWM, FVWM, and many others).

Some of the customizable features include:

  - Transparency with shading/tinting
  - Panel dimensions, location, and layout
  - Font type and colors with Xft and shadow support
  - Button events/actions
  - Clock and workspace name display
  - System tray (notification area)
  - Autohiding
  - Application launcher
  - Custom application icons

WWW: http://pypanel.sourceforge.net/