Cold Turkey - Cold Turkey is a free productivity program that you can use to temporarily block distractions so that you can get your work done!
ServerSuit - ServerSuit is a browser based program that enables remote Linux administration, monitoring, website hosting, and server setup automation.
Time Sink - Time Sink helps you track how you spend your time on your Mac.
AppZero - AppZero is a monitoring and migration tool that allows users to keep track of different applications and servers in both simple and complex IT environments.
Anti-Social - Anti-Social is a productivity application for Macs that turns off the social parts of the internet.
CULA - A webmonitoring solution for beginners and pros.