Gutenprint

replaces 99% of all your printer drivers that block more than a gigabyte on your boot volume:
http://cgb-1.de/tools/gutenprint-5.1.3.U.dmg File Size: 15.9MB

LAME-Encoder for iTunes

newly updated script to convert audio with this superb LAME-encoder, rather than with the crappy iTunes encoder.
Everything you need to know is in the zip.
http://cgb-1.de/tools/iTunes-LAME_2.0.8_Folder.zip File Size: 646kb

Silverkeeper

simple to use backup solution, zip includes all info you need
http://cgb-1.de/tools/SilverKeeper 1.1.4.zip File Size: 1.5MB