Exposes additional preference settings for OSX allowing things like sloppy focus (activate window on mouseover) and probably other cool stuff. Must have.
Great little (free, beer) app for OSX that shows detailed battery information.
Good wee article on lifehacker hilghlighting 10 underrated mac apps worth having. A few are free, and some seem worth checking out.
Tips on running Ubuntu on an SSD. Useful to check back when upgrading to 10.10 or later.
Quick tip on how to eject an Amazon Kindle on Ubuntu. sudo eject Kindle (or appropriate device name if you changed it).