RescueTime - Time management software that shows you how you spend your time & provides tools to help you be more productive.
BlockParty - Real-time voice chat rooms from the creators of turntable.fm
tinyTimeSheet - A basic time sheet for Mac.
Secateur - Use Secateur if you want to temporarily or permanently block or mute (or both block and mute) a Twitter account and all its followers.
Timebound - Deadlines done better
Boyfairy - Your opportunity to educate right before you block someone.