HackMaster API
How to Write a Hack and describes the Hack file format.
http://www.daggerware.com/hackapi.htm

McPhling Hack
Allows you to quickly switch back to the last-used app or popup a list of the most recently used apps with a stroke of the pen. Based heavily on Phlegm Hack. Source code available. Freeware.
http://mikemccollister.com/palm/#McPhling

TealMaster
TealPoint develops leading software for Palm, PalmPilot, Handspring Visor, Sony CLIE, HandEra, and all PalmOS handheld organizers and Palm-powered phones. Free trial downloads of award-winning programs such as TealDoc, TealLock and TealMovie.
http://www.tealpoint.com/softmstr.htm

Hack A Day
A hardware hack every day.
http://www.hackaday.com/

Hack A Day
A hardware hack every day.
http://www.hackaday.com/

American Hack & Band Inc.
American Hack & Band, Inc. Industrial Distributor specializing in bandsaw blades, machinery, coolants, and cuttng tools for the metal, woodworking industries. Integrated supply programs available.
http://www.ahbinc.com

Group Prospect Company Ltd
manufacturer and exporter of textile products includes spinning machines, weaving machines, weaving preparation machines, finishing machines, used machines, textiles goods, hat, blanket, bed sheet, towel.
http://www.groupprospect.com.hk

Sreco Flexible
Manufacturer of jet machines, combination machines, rodding machines, bucket machines, and video systems.
http://www.srecoflexible.com/

Sreco Flexible
Manufacturer of jet machines, combination machines, rodding machines, bucket machines, and video systems.
http://www.srecoflexible.com/

Welco Garment Machinery Pvt. Ltd.
Manufacturers & suppliers of Industrial Garment Machine, Wrinkle Free Machine, Fusing Machine, Needle Metal Detectors, Cloth Inspection Machine, Auto Cleaning & Thread Sucking Machine, Cutting Machine, Intermediate & Finishing Machine, Steam Iron & Accessories, Electric & Oil Fire Boilers, Form Finishers, vacuum Tables.
http://www.welcogm.com/