Software marked with a "*" is highly recommended by JurisPDA.

Adobe Acrobat Reader: Read .pdf files on your Palm OS® handheld.
Developer page: Adobe

CSpotRun: Free DOC reader for Palm OS® handhelds.
Developer page: CSpotRun

iSilo: Read DOC and .pdf files on your Palm OS® handheld.
Developer page: iSilo

Palm eReader: Read DOC files on your Palm OS® handheld and electronic books.
Developer page: Palm Digital Media

Palm eReader Pro: Includes the Webster's New World(tm) Vest Pocket Dictionary and the ability to utilize any Palm standard bitmapped font.
Developer page: Palm Digital Media

Starbuck: Read .prc and .pdb documents on your Pocket PC running on Windows CE.
Developer page: Thumbs Up Soft

TomeRaider: Read DOC and high compressed .tr files on your Palm OS® handheld.
Developer page: TomeRaider