Snarf! is a primer on "snarfing" data for the electronicly experienced. Written for U.K. (ETACS) Phones, but useful starting point for other (such as AMPS) systems.
Snarf 2 is an improved and expanded version of SNARF!
Snarf 3 is a proposal to the cellular hacking community for DDI interface standards.
Plans for a DDI box made from a modified Motorola phone (U.K. Version).
SnarfWare software, for AMPS system, user provides signals, software interprets them.
NiceGrab soft, for ETACS
MacSnarfa is a Snarf type program & hardware for the mac.
Raw archive of scanner modifications. Not all these modifications are for cellular
Bill Cheek's guide for modifying many different scanners