oh-my-zsh – A delightful community-driven framework for managing your zsh configuration. Includes 180+ optional plugins (rails, git, OSX, hub, capistrano, brew, ant, php, python, etc), over 120 themes to spice up your morning, and an auto-update tool so that makes it easy to keep up with the latest updates from the community.
Source: robbyrussell/oh-my-zsh · GitHub
I recently missed an upgrade notification for oh-my-zsh.
From the source above: