En attendant une liste sans doute plus compléte & en français dans la page tips de OFU :
FILE
New : ctrl + N
Open : ctrl + O
Save : ctrl + S
EDIT
Copy : ctrl + C
Humanize : ctrl + H
Randomize : ctrl + R
Paste : ctrl + V
Cut : ctrl + X
Redo : ctrl + Y
Undo : ctrl + Z
Merge selected : Z (Playlist)
VIEW
Song Playlist : ctrl + P
Mixer : ctrl + M
Master section : ctrl + A
Event editor ctrl + E
Status bar : ctrl + B
Generator list : ctrl + G
Time : ctrl + I
All Generators/FX list : ctrl + J
Tempo : ctrl + T
Show Generators/FX 1-12 : ctrl + F1, F2 etc.
TRANSPORT & MIX
Play start/stop : space bar
Record : alt + R
Panic : home
Solo channel 1-10 : ctrl + 1, 2 etc.
Mute channel 1-10 : shift + 1, 2 etc
SEQUENCER
(These operations function on the pattern or selected notes in the piano roll)
CURSOR UP : Transpose one halfnote up
CURSOR DOWN : Transpose one halfnote down
PAGE UP : Transpose one octave up
PAGE DOWN : Transpose one octave down
X : Flip notes horizontally
Y : Flip notes vertically
E : Toggles Event Tab
V : Toggles Velocity Tab
S : Toggles Step Tab
R : Toggles RNG in Sampler
OTHERS
Left click VU Meters in toolbar to set clipping
Right click mixer strips to copy/paste settings
Right click mixer strips to enable Soft Saturation
F1 : Brings up Help File