List of All Keyboard Shortcuts

In the order of most to least useful:

⌘ L	Place insertion point in search/title area
Escape	Clear current search
Return	Begin editing note, creating it if necessary
Tab	Move insertion point between text areas
⌘ K	Select previous note in list
⌘ J	Select next note in list
⌘ D	De-select current note, restoring the search text
⌘ ⇧ V	Paste clipboard as a new note (Services Menu)
⌘ R	Rename the selected note
⌘ Delete	Delete the selected note(s)
⌘ ⇧ T	Tag the selected note
⌘ G	Find next occurrence of search text
⌘ ⇧ G	Find previous occurrence of search text
⌘ ↩	Open any URL under the insertion point
⌘ ←	At the beginning of a note-body, edit the title
⌘ →	At the end of a title, edit the note-body
⌘ ⇧ D	Bookmark the selected note
⌘ P	Print the selected note(s)
⌘ E	Export the selected note(s) to other formats

Text formatting shortcuts:

⌘ [	(left square bracket) Outdent one or more lines
⌘ ]	(right square bracket) Indent one or more lines
⌥ Tab	Indent
⌘ T	Make text plain; remove styles
⌘ B	Embolden
⌘ I	Italicize
⌘ U	Underline