The following keyboard shortcuts work on Windows and Linux. For Mac OS, please substitute CONTROL with the COMMAND key.

Open Audio File: Control+O
Close Audio File: Control+W
Reveal Audio File: Control+E
Trim to New File: Control+T
Load Setup: Control+L
Save Setup: Control+S
Quit   = Control+Q

Show Connect Page: Control+N
Show Options Page: Control+Comma
Disconnect =  Control+D
Mute All Input/Sending: M  or Control+M
Mute All Users: Control+U

Play/Pause File: Space or Control+P
Return to Start: 0 or Control+0
Toggle Loop: Alt-L
Record Toggle: Control+R

Show/Hide Chat: Control+Y
Toggle Full Detail View: Control+I

Menu Navigation (in standalone on Windows or Linux):
File: Alt-F
Connect: Alt-C
Transport: Alt-T
View: Alt-V