CtrlZUndo
CtrlYRedo
CtrlC / VCopy / paste
CtrlDDuplicate
DelDelete
CtrlASelect all
CtrlGGroup (Shift to ungroup)
Ctrl] / [Forward / backward
←↑→↓Nudge (Shift = 10px)
TAdd text
Ctrl+ / -Zoom
Ctrl0Fit to screen
CtrlSSave
CtrlB I UBold / italic / underline
Double-clickEdit text / adjust image
Right-clickMore options