Google code is filled with hidden treasures. Here are just a few command line things that caught my eye.
Gcalcli allows you to view and access your google calendar on the CLI. There is even instructions to this to your conky file and display your calendar in your wallpaper.
Cli-network manager is what its name implies. nrg4iso converts nero (.nrg) images to the more universal iso
A bunch of command line festivities.
Tons of fun.