PDAs

Pen Computing Magazine
PDAPad News
Quintet - signature protection for your PDA

Pilot

PalmOS.Com
IntelliLink Corp. - InteliSync for Pilot
The PalmPilot Page
DaggerWare (shareware for the PalmPilot)
Calvin's PalmPilot FAQ
Andy's PalmPilot Page
MemoWare.com
PalmGlyph Software
The Pickled Pilot
ASCII Computer Center (discounted PalmPilots)
JP Systems, Inc. has 'OneTouch' software that links a PalmPilot to a two-way pager or CDPD modem.

Windows CE

Windows CE News and Perspectives - CE Watch
Windows CE Chronicle
WindowsCE On-Line
Nino Official Site
Blake's Nino Info Page!
LG Electronics - Hot Products

Newton

PDApage
Apple Newton Info
NewtonSource
The World of Newton

Other Platforms

REX PC Companion

Connectivity

ByeDesk - provides a bi-directional email to GSM SMS Gateway.
Puma Technology, Inc. - makers of Intellisync and Intellimerge synchronization software

Shopping for PDA Products

ClubPDA - The source for Newton and other PDA Sales
The Mining Co.
The Mobile Office Outfitter
PDA & Handheld Direct, Inc. - Cool Stuff For Your PDA
Mobile Planet - Specialize in Pilot and Psion platforms