BlockParty - Real-time voice chat rooms from the creators of turntable.fm
Typefully - Write & publish great tweets, without distractions
Referrer Spam Remover - Remove spam bots from your Google Analytics data
Refined Twitter - A browser extension that improves the Twitter experience
Moderate - Identify, mute, and block trolls in your Twitter feed
Tweet Tray - Tweet quickly from your desktop without any distractions.