Action	Control
Crawl	sneak
Run	special/aux1
Wallrun	run + jump into a wall (requires a few of attempts to success)
Edge climb	touch an edge above the ground
Kong	run into a block
Cat leap	jump backwards in edge climbing
Tic tac/walljump	run + jump side of a wall
Double wall climb	hold left & right
Backflip	jump, (hold) place/RMB & press back/down
Frontflip	jump, (hold) place/RMB & press forward/up
Right sideflip	jump, (hold) place/RMB & press right
Left sideflip	jump, (hold) place/RMB & press left
Roll	sneak when falling from a height, causing less fall damage
Dive roll	place/RMB and press up, useful to dive faster forward

You can use all flips to reach more height and come over obstacles on 2 blocks while running, but sideflips wont hurt on obstacles and there is no risk you breaks your neck.