When in a repository directory you can show the name of the currently checked out Git branch in the prompt, making it easier to track where you are (and where you're about to commit).
My book Create Simple GUI Applications with Python & Qt5 has been updated! New chapters on the Model View architecture and custom widgets.
Show a warning in the Terminal's prompt when the current working directory is no longer where the shell expects it to be. (e.g. it was deleted or replaced by a new, different directory with the same name by some other app).
Install and setup the tools necessary for Android development with Eclipse on Mac OS X (Lion)
Initialize a Git repository from a local directory, and the files therein, pushing it to an existing but empty remote.