Egress (mobile RSS atom podcatcher)
http://www.garishkernels.net/software.html

TCPMP - The Core Pocket Media Player
if it\'s media, this plays it!
http://picard.exceed.hu/tcpmp
Stream YouTube, Google Video & Others w/TCPMP
http://tinyurl.com/2u7xlz
http://tinyurl.com/2oxpgb

Opera (mobile web browser)
http://www.opera.com/products/mobile/products/wimmobileppc

Pocket IRC (mobile IRC!!)
http://pocketirc.com

Agile Messenger (MSN, AIM, ICQ, YAHOO, GOOGLE TALK, JABBER)
http://agilemobile.com

Octro Talk (Google Talk, Jabber)
http://octro.com
Mini Stumbler (wifi scanner)
http://www.netstumbler.com/downloads

Wifi Fofum (wifi scanner)
http://www.acpecto-software.com/rw/applications/wififofum

PDAnet (PDA to laptop modem)
http://junefabrics.com/pdanet

Microsoft Live Search (mobile maps, locator, directions, etc)
http://www.microsoft.com/windowsmobile/livesearch/default.mspx