TweetDeck - TweetDeck is your personal browser for staying in touch with what’s happening now.
Talon for Twitter - Elegantly designed, ad-free Twitter experience for Android
HootSuite - Enhance your social media management with Hootsuite, the leading social media dashboard. Manage multiple networks and profiles and measure your campaign results.
YoruFukurou - YoruFukurou (NightOwl) is a Twitter client for Mac OS X, designed for Twitter addicts.
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.
Janetter - Janetter is a Twitter client application. Faster, smarter, and more powerful.