Nambu is a full-featured Twitter, Identi.ca, Ping.fm and FriendFeed client all rolled into one. It looks good, performs well, and seamlessly integrates these services for either your iPhone or iPod Touch. Key Features: -- Submit updates, @replies o
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Nimbuzz Messenger Free
Nimbuzz Messenger is a free chat & calling app that helps you connect to your IM & Facebook friends.
Skype Mobile: Call, IM and more on Skype from your Android, Nokia or Sony Ericsson smartphones