Cmd-LAutomatically typeset using the correct engine.
Cmd-TTypeset using just LaTeX.
Cmd-BTypeset and run BibTeX.
Cmd-ITypeset and run MakeIndex.
Shift-Cmd-ITypeset and run BibTeX followed by MakeIndex.
Cmd-KDelete the temporary directory with intermediate files produced during a typeset.
Cmd-.Abort a typeset operation.
Cmd-]Comment the selected block of LaTeX source.
Cmd-[Un-comment the selected block of LaTeX source.
Cmd-1Toggle the outline view.
Cmd-2Show only the editor and not the output.
Cmd-3Show both the editor and the output side-by-side.
Cmd-4Show the output (PDF) only.
Cmd-JSwitch the focus between the editor and the output pane.
Cmd-8Show the PDF in the output pane, when available.
Cmd-9Show the error log in the output pane, when there are errors or warnings.
Shift-Cmd-=PDF zoom in. (Also works with Cmd-=.)
Shift-Cmd--PDF zoom out.
Cmd-RReveal PDF in Finder.
Cmd-EEmail PDF.
Shift-Cmd-FGlobal Search.

Note that in the above, Cmd-X means simultaneously pressing the command key and the key X.