1)   DictionaryToGo for PocketPC 1.4
DictionaryToGo for Pocket PC is the best-selling English dictionary for mobile users. It features a highly intuitive interface and an extensive database of more than 150,000 words.

 2)   DictionaryToGo for Palm 2.0
Enjoy DictionaryToGo for Palm for 10 days FREE! Or, purchase a single license for $12.

 3)   DictionaryToGo for Desktop 1.5
DictionaryToGo for Desktop is the ultimate dictionary program for your computer. It works with your Internet browser, word processor and email program - with just one click! Synchronizes with DictionaryToGo for Palm and Pocket PC.