PockeTwit is a twitter client for Windows Mobile.
Kinetic List
The main list implements "kinetic scrolling". You can drag your finger across the screen and the page follows along, as if you were pushing the content around
Glympse for Windows Mobile - Glympse is a safe way to share your location with friends in real-time. Your buddy can view your estimated time of arrival and location only for the time period specified by you. When the timer expires, your location is no longer visible.
Friends do not need additional software to view your location
IM+ All-in-One Messenger for Windows Mobile - Chat within AIM®/iChat, MSN®/Windows Live™ Messenger, Yahoo!®, ICQ®, Jabber®, Google Talk™ MySpace®, Facebook and Twitter from your Smartphone in real-time. Now with Skype!
No cost per message!
Lifetime license: all further updates included. Free license transfer to another device
Experience Twitter from your Windows Phone! With all of the features you would expect from a great twitter application, moTweets allows you to take the people you follow on the go. Upload photos from your device camera and post their location for your followers to see
TweetFree is a small Windows Mobile application that allows information to be posted to the popluar Twitter service even if the users primary ISP or even their country blocks access to the service
MobiBlogr Premium - RSS News Reader & Photo Blog - Read what you like and blog what you think, enjoy all your favorites and share them with your friends! RSS Reader and blog client all in one software on your mobile phone. Checking weather, headlines and local news, MobiBlogr makes the software for your daily life
moTweets - Experience Twitter from your Windows Mobile device! With all of the features you would expect from a great twitter application, moTweets allows you to take the people you follow on the go. Upload photos from your device's camera and post their location for your followers to see