Tweetbot - Sync your timeline across your iPhone, iPad, and Mac. Mute tweets by user, hashtag, tweet source, or keywords (including regex). 3rd Party support for image, video, read later, and timeline sync services.
News In Shorts - News in 60 words
Twitterrific - Twitterific is an app that offers several functions and fun features for your Twitter account.
The Sociable - Documenting how technology transforms societies
Fenix for Twitter - A fresh Twitter experience, for Android
NewsBot - The fastest way to find related articles