Want an ultimate single-page cheat sheet for looking up keyboard shortcuts in Photoshop CC and Lightroom CC? The design team over at setupablogtoday have created just that: massive sheets that you can study and explore to your hearts content.
The Photoshop Cheat Sheet
First up is an impressive Photoshop cheat sheet that displays shortcuts both on a 2D keyboard and in chart form:
The Lightroom Cheat Sheet
If you thought that Photoshop one was impressive, check out the ridiculously comprehensive cheat sheet they made for Lightroom: