One class of these programs are the basic applications that will allow you to view the large assortment of reference files available on the web. There are also programs available that will convert word processor files into DOC format for viewing on your Palm.
Several companies make document readers which generally have the same functionality.
Handy features include the ability to bookmark important parts of DOC files for quick reference as well as the ability to perform keyword searches. Available DOC readers include AportisDoc by Aportis, TealDoc by TealPoint Software, Express Reader by Qvadis. Most database files that have been submitted on the Internet are written for one of two standard databases, JFile by Land-J Technologies and HanDBase by DDH Software. In addition to using files submitted by others, you can design your own databases to store data exactly the way you want to. There are a couple of more powerful database application such as Satellite Forms available as well that offer full Microsoft Access data exchange capability.