Sprint
Automatically sprints
Speed
Increases your movement speed
Flight
Allows you to fly or glide in the air
Timer
Speeds up or slows down the game tick rate
No Fall
Prevents taking fall damage
No Jump Delay
Removes the jump cooldown. Works mostly for head hitters if you hold space and run down a 1x2 corridor
No Push
Prevents other entities from displacing you on collision
Parkour
Automatically jumps off ledges so you don't accidentally walk off the edge while moving forward