@Mail
Read your email from external POP3 accounts on your WAP phone using @Mail. You can also send and receive emails to and from a mobile phone that has SMS (short message service) and WAP, which most cell phones do.
http://atmail.nl/wapatmail.pl

Coodies
Coodies lets you create your own Web portal so that you can get instant access to the sites you want. It has interesting categories to choose from, such as Oddball & Weird.
http://www.coodies.net/

eFax
This is an easy way to send and receive faxes from any wireless device. You can even forward any document to a nearby fax machine if you want a fast printout. Certain fees may apply, depending on what you want to do.
http://wireless.efax.com/

Iteru.net
Provides a WAP-based unified messaging system and tools for building chat rooms and forums.
http://mmm.iteru.net/

5390
Free ICQ service.
http://5390.com/index.wml

iWAPu
This wireless instant-messaging service from Strategy.com offers real-time communication anywhere, anytime, through wireless, Internet-enabled phones.
http://www.strategy.com/

jfax
Send and receive faxes, voicemail using your email. Get those messages by computer or phone. Local/toll-free numbers available worldwide. Free fax phone numbers available.
http://www.2roam.com/www.jfax.com

Jumbuck
Provides site and software development. Site also offers email, chat, auctions tools, and WhoIs searching.
http://www.jumbuck.com/wap

Nomster
Allows users to check the availability of domain names, and to register names via their mobile device.
http://www.nomster.co.uk/wap/index.wml

Saw-You.com
Compose notes for and search messages by people you may have seen in a bar, restaurant, square, or any other public place. Organized by city within the US, UK, Ireland, Australia, and Canada.
http://www.saw-you.com/

Senada
An event reminder service.
http://wireless.senada.com/

smartRay
Provides alerts, reminder services, and a directory for news, weather, travel, and sports sites.
http://mobile.smartray.com/

Stratey.com
This wireless instant-messaging service from Strategy.com offers real-time communication anywhere, anytime, through wireless, Internet-enabled phones.
http://www.strategy.com/

Unimobile
This is a unified instant message service that lets you use your wireless device to chat with friends and coworkers, whether they're sitting at their desktops or on the go with their own mobile gadgets such as cell phones, pagers, PDAs, and more.
http://wap.unimobile.com/

Web2PCS
Allows users to pull information to their phone via SMS and WAP.
http://www.wap2pcs.com/

WebCab.de
Offers wireless email and other web access.
http://webcab.de/i.wml

Yahoo!
Provides personalized services including email, calendar, address book, finance, weather, news, and sports.
http://www.yahoo.com/

Yourwap.com
Enabling access to personal and business information from any location, on any device.
http://www.yourwap.com/index.wml