NodeUX

Shortcuts:

Create Node  = 1, 2, 3
Delete Hovered Node = X
Knife = Right Click Drag 
Make Connection = Left Click Drag (On Socket)
Magic Connection Nodes = Ctrl + Left Click Drag (On Node)
Move Nodes = Left Click Drag
Move Connected Nodes = Shift + Left Click Drag
Pan Camera = Middle Mouse Click Drag
Zoom Camera = Scrollwheel