Tweet Tray - Tweet quickly from your desktop without any distractions.
Twidy App - Tinder for Twitter - Tidy up and declutter your timeline
Typefully - Write & publish great tweets, without distractions
Shipstreams - A list of makers shipping live
Minimal Twitter - A distraction-free browsing experience for the new Twitter
Vanilla Timeline for Twitter - Browse Twitter without the some-user-liked tweet clutter.