This article gives you an overview of the shortcuts found in the Swing Catalyst software.
 

Playback

Space

Toggle play/pause

Right

Step one frame forward

Left

Step one frame backward

Shift-Right

Step 5% of duration forward

Shift-Left

Step 5% of duration backward

Up

Increase playback speed

Down

Decrease playback speed

Bookmarks

{1, 2 or 3}

Go to bookmarks 1-3 of swing A

ALT+{1, 2 or 3}

Go to bookmarks 1-3 of swing B

CTRL+{1, 2 or 3}

Set bookmarks 1-3 of swing A to current position

CTRL+ALT+{1, 2 or 3}

Set bookmarks 1-3 of swing B to current position

CTRL+SHIFT+{1, 2 or 3}

Synchronize on bookmarks 1-3

CTRL+B

Lock/unlock bookmarks

Drawing tools

C

Toggle circle tool

R

Rectangle tool

V

Arrow tool

L

Line tool

A

Angle tool

F

Freehand tool

S

Sway tool

E

Eraser Tool

H

Hand tool

T

Text tool

B

Delete all

Other

 CTRL+O (Opens the Swing Explorer)