I’ve recently had to convert from Linux to OSX as my primary workstation, work requirements and all. It could have been much worse, I could have been forced to work on M$ Windows. ;–) Though, OSX still takes some conversion to be amenable to the FOSS mind.
At the very least, I need one-command access to every open-source application in the world! Luckily, Homebrew does just that for OSX, well almost. Additionally, I need vim and zsh with all their awesome plugins. Of course, git is a given, and a few interpreters are also in order: PHP, Python, Node.js and Ruby. I need Ruby to update my octopress blog!
As an added bonus,