Window:
CTRL-◄ : Step up through Screen Set
CTRL-► : Step down through Screen Set
CTRL-U : Update default layout for current screen.
ALT-F11 : Toggle Full screen
ALT-F3 : Start a screen cast
CTRL-ALT-O : Link
F12 - Render
F11 - Show/hide render Area
ALT-A - Forward Start/Stop Animation
SHIFT-ALT-A - Reverse Start/Stop Animation
SHIFT-CTRL-▲ - Skip to end of Animation
SHIFT-CTRL-▼ - Skip to start of Animation
▲ - Move to next keyframe
▼ - Move to previous keyframe
Active Area:
Header:
R-CLICK: Header Context Menu
Horizontal Border between Areas
R-CLICK: Area Option Context Menu
Split area vertically
Join Area if border is equal
Vertical Border between Areas
R-CLICK: Area Option Context Menu
Split Area Horizontally
Join Area if border is equal
CTRL-▲ OR CTRL-▼ : Maximize Area or Return to current Screen layout
Area = "3D View":
T - Tool Shelf Open/Close
N - Properties Shelf Open/Close
SHIFT-WheelScroll - Pan up/down
CTRL-WheelScroll - Pan left/right
SHIFT-MMB-MouseMove - Pan on view plane
CTRL-MMB-MouseMove - Zoom in/out
WheelScroll - Zoom in/out
MMB-MouseMove - 3d Orbit View
NUM. - set view rotation point to selected object
NUM0 - Camera View
NUM1 - Front View
CTRL-NUM1 - Back View
NUM3 - Right View
CTRL-NUM3 - Left View
NUM7 - Top View
CTRL-NUM7 - Bottom View
NUM5 - Switch between Orthographic and perspective views
HOME - Fit zoom to all objects
RMB - Select object
SHIFT-RMB - Select/deselect multiple objects
LMB - Move 3D cursor to mouse
SHIFT-S - Snap "3D Cursor"/"selected items" to Context Menu
SHIFT-CTRL-ALT-C - Move an objects origin
SHIFT-L - Select Linked Context Menu
ALT-SPACE - Orientation Context Menu
ALT-HOME - Center view on "3D Cursor"
G-[XYZ]-[SHIFT or CTRL] - Grab/Move [ on X,Y,Z axis] [fine control or snap to grid]
R-[XYZ]-[SHIFT or CTRL] - Rotate [ on X,Y,Z axis] [fine control or snap to grid]
S-[XYZ]-[SHIFT or CTRL] - Scale [ on X,Y,Z axis] [fine control or snap to grid]
H - Hide selected
SHIFT-H - Hide unselected
ALT-H - Show hidden
M - Move selected to layer
TAB - Switch between Object/Edit Mode
Object Mode
A - select/deselect all objects
B - Box select objects
LMB-MouseMove - Add objects to selected set
RMB OR ESC - Exit Box Select
C - Circle select objects
WheelScroll - Enlarge/redice size of circle
LMB OR LMB-MouseMove - Add objects to selected set
RMB OR ESC - Exit Circle Select
X - Delete selected object
I - Insert Keyframe Context Menu
ALT-I - Delete keyframe
SHIFT-B - Zoom to Box select
SHIFT-A - Add new object to Scene
SHIFT-D - Create Duplicate of Selected Object
ALT-D - Create Linked duplicate of selected object
CTRL-L - Create link between selected objects and active object Context Menu
SHIFT-P - Parent selected Objects
SHIFT-G - Select objects by common type Context Menu
CTRL-G - Add selected objects to new group
CTRL-ALT-G - Remove selected object(s) from group Context Menu
SHIFT-CTRL-ALT-G - Remove selected object(s) from all groups
[ - Select Parent
] - Select Child
CTRL-P - Set selected object(s) parent to active object Context Menu
ALT-P - Clear selected object(s) parent to active object Context Menu
CTRL-NUM0 - Set current object to active camera
ALT-NUM0 - Deselect current object as active Camera
CTRL-J - Join meshes of selected objects to active object (last selected)
CTRL-T - Create Track from selected objects to Active object Context Menu
ALT-T - Remove track from selected object to active object Context Menu
Edit Mode
A - select/deselect all vertices of current object
B - Box select objects
LMB-MouseMove - Add objects to selected set
C - Circle select
SHIFT-A - Add new mesh to current object
SHIFT-D - Duplicate selected Mesh
SHIFT-G - Select Similar Context Menu
CTRL-R - Add loop to current object
MouseMove - Select orientation of loop
LMB - Create loop
MouseMove - Position loop
LMB - Apply loop
SHIFT-K - Knife cut
Area = "Outliner":
CTRL-LMB - Rename Object
Area = "":