KeyCue - Menu shortcuts are supposed to provide quick access to frequently used menu commands.
Pluralsight - Pluralsight is a learning management system (LMS) that helps aspiring tech professionals learn the basics of the trade and lets established professionals expand their skill sets.
Shortcuts.design - Every shortcut for designers in one place!
PurelyFunctional.tv - Online Clojure training courses with a subscription model.
CheatKeys - View Windows keyboard shortcuts in the current application.
TutsPlus - Learn Creative Skills, Shape Your Future