Blender Hotkeys in 3D Modelling (Edit Mode)

Vertices

Edge/ Face from Vertices
Connect Vertices (& split face)
Merge
Rip / Rip and fill
Vertex Menu

Edges:

Select loops
Loop cut (& slide)
Bevel
Edge Menu

Faces

Extrude / E individual F / E Manifold
Inset
Triangulate / Tris to Quads
Face Menu

Mesh Tools (1):

Grab / Rotate / Scale
Snap to Axis X, Y, Z
Snap to Plane XY, YZ, XZ
Select Linked
Shear
Shrink / Flatten

Mesh Tools (2):

Extrude to Cursor
Mirror
Separate
Dissolve (context sensitive)
Bend (around 3D cursor)

Mesh Tools (3): Normals

Recalculate Outside / Recalculate Inside
Rotate Normals
Point to target

Tools (1)

Box Select / Circle Select
Extrude Manifold
Loop Cut
Knife
Quick Tool Menu

Global Hotkeys (1):

Create New / Delete
Select All / Select Nothing
Confirm / Revert pending change
Duplicate
Toggle Edit mode
Edit multiple Objects

Global Hotkeys (2):

Toggle Toolbar / Toggle Properties
Undo / Redo
Display Menu
Toggle X-Ray
Snap to Increments
Searchbar

Camera Hotkeys (1):

Rotate: up / down/ left / right
Pan: up / down/ left / right
Rotate around Camera Normal
Rotate freely / Pan freely
zoom

Camera Hotkeys (2):

Orthogonal View from -y / x / z axis
Orthogonal View from y / -x / -z axis
Toggle Perspective & Orthographic View
Toggle Camera Perspective
Rotate 180°