TweetDeck - TweetDeck is your personal browser for staying in touch with what’s happening now.
Janetter - Janetter is a Twitter client application. Faster, smarter, and more powerful.
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.
Talon for Twitter - Elegantly designed, ad-free Twitter experience for Android
TweetCaster - TweetCaster is a third-party Twitter mobile app that is available on Google Play and the Apple App Store.
Echofon for Twitter - Download Echofon apk 3.1.3.3 for Android. Echofon for Android - A super clean Twitter app