Keyboard Shortcuts

Keyboard ShortcutCommand
↑↓←→select card in direction of arrow
⌘-↑↓←→insert (connected) card in direction of arrow (as applicable)
ctrl-⌘-↑↓←→move card into direction of arrow (if applicable)
Delete selected/hovered over card or delete hovered over connection
⌘-⌥-CCopy selection as image to Clipboard

Text Editor
Keyboard ShortcutCommand
↩︎enter and exit cards text editor
⌥-↩︎Insert line break within card text editor
⌘-←→Move cursor to start/end of text within text editor
⌥-←→Move cursor after next word in within text editor
escCancel editing text of card
⌘-BMake selected text Bold. Also See menu Editor > Style.

Connecting Cards
Connect two cards with click and hold on a card until the cursor changes. Then drag to another card.
Keyboard ShortcutCommand
escCancel while connecting cards
Make connection with alternate style

Moving Cards
Keyboard ShortcutCommand
escCancel while moving cards