PowerToys
Install a package of programs designed to enhance your Handheld PC.

Pocket Dictionary
Translate any word into preferable language on your Pocket PC.

IM+ for Skype for Pocket PC
Chat with other Skypers using any land or mobile phone line while not using WiFi.

Unyverse Wikipedia
Access the full version of Wikipedia articles on your Windows Mobile smatphone.

Zagat To Go for Windows Mobile Smartphone
Find restaurant reviews and ratings in 71 different cities on your Smartphone.