VidMgr

VidMgr is a public domain C library that provides a set of screen drawing, cursor and keyboard routines for text mode DOS, OS/2 and 32-bit Windows applications.

Msged

Msged is a public domain message reader/editor for FidoNet sysops that operates under UNIX, Mac OS X, DOS, OS/2 and Windows.

timEd

Source code to the UNIX, Mac OS X & BeOS port of Gerard van Essen's "timEd", a GPLed reader/editor for FidoNet sysops.

MadiTag

MadiTag reads the TAG information from MP3 (MPEG 1 Layer 3 audio files) and display it to the screen, allowing you to edit this information. Free software for Windows, written by Dave Schneider.