List: A simple database. Freeware -- full source is available, visit the website!
There are 3 fields, two which can be customized and a generic Note field.
Update Description:
New version of list now supports 5-way navigation. Website has older versions available for older PalmOS devices.
Updated to support PalmOS5.
List works on all versions of PalmOS.
Beaming support, multi-language support (English, German, Japanese, French, Russian, Danish, Spanish).
Visit the website for non-English versions.
Third party companion programs available on List website -- also check out WListDB, the Windows companion program.
List uses only 23k on your Palm + size of your data.