Palm OS: Developer
- The official development site by Palm, originators of the PDA. Articles, help information, source code, the SDK, the Palm OS Emulator (POSE), Debugging ROMs, are available here.
- http://www.palmos.com/dev/

Handspring: Developers
- Area for those that want to develop applications for the Handspring Visor or for Visor Springboard modules.
- http://www.handspring.com/developers/

Palm Programming: The Developer's Guide
- Used by Palm in their developer training, this tutorial-style book published by O'Reilly shows intermediate to experienced C programmers how to build a Palm application from the ground up.
- http://www.oreilly.com/catalog/palmprog/

DB Viewer
- View the contents of .pdb/.prc databases on the PalmPilot.
- http://www.righto.com/pilot/db.html

CS110 Course notes
- CS110 is a course in assembly language, whose target platform is the Palm Computing Platform
- http://cse.stanford.edu/class/cs110/

Pilot Software Development by Darrin Massena
- A no longer maintained software development page. Still contains a lot of useful information.
- http://www.massena.com/darrin/pilot/index.html

HackMaster API
- How to write a HackMaster hack.
- http://www.daggerware.com/hackapi.htm