The Nudge - A planner friend in your pocket.
fish shell - The friendly interactive shell.
Yuggler - Fun activities for kids and family!
zsh - The Z shell (Zsh) is a Unix shell that can be used as an interactive login shell and as a powerful command interpreter for shell scripting.
Capture - A great free screen capture utility that allows you to capture either a window or the desktop and save it to either a file or the clipboard.
PowerShell Plus - Learn how to learn and master PowerShell fast with an interactive learning center, a powerful IDE, pre-loaded scripts, and a PowerShell Editor… all for free.