AETERNUM VALE !
Our suggestions
Columns filled with numbers turned into images
ECMAScript (Javascript) library, distributed under the GPL license, that creates charts from (x)HTML tables.
The musical biography of a cult-band from the nineties
The biography, scores, albums of Hexil; even recent pictures of this musical ensemble.
Concatenate MIDI files
Perl software distributed under the GPL that does simple transformations on MIDI files.