Pointnuts - Pointnuts generates text styles that you can choose to make your tweet more engaging.
Refined Twitter - A browser extension that improves the Twitter experience
Minimal Twitter - A distraction-free browsing experience for the new Twitter
Tweeten 2 - A powerful Twitter client based on TweetDeck.
Tweet Tray - Tweet quickly from your desktop without any distractions.
Twitter Lite - Loads quickly, takes up less space, and is data-friendly.