Mobile High Speed 3G 4.02 is a wizard for umts, edge, gprs, hscsd, gsm connections. The new release has support for the Novatel Merlin UMTS card, Motorola A385, and Siemens U15 phone.
iSightWeb 1.0b10 is a webcam for use with the iSight or any QuickTime-compatible camera
KisMAC 0.11b is a wireless sniffer
SuperScrubber 1.5 is a "disk sanitizer" that removes all files from a disk
iStumbler 86 is a tool to find wireless networks and graph signal strength