ccWAP.com: WAP SOFTWARE (LINKS) 

Nokia WAP Toolkit
WML-developer environment from Nokia.

Ericsson WAP IDE SDK

Complete developer environment for WAP applications from Ericsson. The SDK by Ericsson is based on a Xitami Web Server, over which anything can be configured.

Registration and download: http://www.ericsson.se/WAP/developer/

Phone.com UP.SDK
WML-developer environment by Phone.com (Ex-Unwired Planet)  

pic2wbmp
Converts images into WBMP-format.

Dynamic WAP Developer Kit
Another commercial WAP developer environment.

WBMP Converter
Converts GIF, JPEG and BMP images online into WBMP.

UnWired
Plug-in for Photoshop 5.x and PhotoShop to convert images into  WBMP.

WAPman
WAP-Browser for  Windows, PalmPilot and soon also for Windows CE.