poBitmap is a tool written in Tcl/Tk to view and manipulate X-Window bitmaps.
Functionality is similar to the standard bitmap tool available
on Unix systems, i.e. left mouse button sets pixel values, right mouse
button clears pixel values.
Feature list:
Based on Tcl/Tk 8.5 and Tile widgets
Bitmap browser
Generation of Tcl packages out of a series of bitmaps.
Bitmap rotation.
Save bitmaps in several image formats (needs Img extension).