More Keyboard Shortcuts Than You Can Shake Your Mouse At

Keyboard Shortcuts – Lifehacker

Learn and look up keyboard shortcuts for a wide variety of online and desktop applications from Firefox to Excel to Google Apps at the KeyXL keyboard shortcut database.

I posted earlier about mouse productivity, but keyboard shortcuts are really where you increase your work efficiency. By knowing useful keyboard shortcuts for the apps you use most often, you work faster, smarter, and healthier.