If you like zsh, you should check out the "oh-my-zsh" addon, which features 200+ optional plugins (rails, git, OSX, hub, capistrano, brew, ant, php, python, etc), over 140 themes to spice up your morning, and an auto-update tool:<p><a href="https://github.com/robbyrussell/oh-my-zsh" rel="nofollow">https://github.com/robbyrussell/oh-my-zsh</a>