Hacks (in game type help or the symbol before the dash [ie: for scaffold type "scaffold"]):

cy - teleport on the y axis
cz - teleport on the z axis
cx - teleport on the x axis
scaffold - places blocks under you (creative only, skip to 3.0 for all gamemode scaffold)
stopscaffold - stops scaffold
kit - gives you full diamond armor & tools.
food - gives you 16 steak.
deez - nutz
gmc - switches gamemode to creative
gms - switched gamemode to survival
give (item) (amount) - gives you any item requested
portal - gives you supplies to make a nether portal
fastbreak - break blocks 2.5x faster 
speedhack - move 2.5x faster
water-br. - breath underwater!
explode - blow up anything and anyone.
nuker - mine big & fast
nukeroff - turns off nuker
autobase - automatically builds a base for you.
one-shot - one shot anything!
bedrock - gives you 64 bedrock
panic - turns off all hacks
fullbright - see in the dark.
MassTP - Teleports everyone to you
NoDMG - Take no damage
autopp - automatically builds a for you
autofloor - automatically builds a floor for you
autowall - automatically builds a wall for you
NoDMGLegit - take reduced damage
Autobase+ - automatically builds a obsidian base
Autobase++ - automatically builds a bedrock base
NoFire/NoFireoff - take no fire damage/turns off NoFire.
CircleNuker/CircleNukeroff - nuker but a circle/turns off circlenuker.
Richcircle/Richsphere - impress your friends or anyone with your wealthyness.
r.kit - gives you all the redstone items there are.
t.kit - gives you all the trapping items there are.
widescaffold/widescaffoldoff - scaffold but 9x wider/turns off widescaffold.
c.kit - gives you all the items needed to mlg, perfect for clutching.
criticals - automatically does critical hit damage to entities.
kb.kit - knock anything back, perfect for sky wars or knocking people off an island
GodBow - Gives you a God Bow
GodTridents - enchanted tridents coming right up!
GodTridents2 - Riptide
Autokeep/Autokeepoff - Enables keepinventory/turns autokeep off (disables keepinventory)
HighJump - jump 2.5x higher
NoWeather/NoWeatheroff - It'll always be a sunny day!/turns off NoWeather.
Speedfastbreak - break blocks even faster than fastbreak.
Tired - summons a bed for bedtime!
TNTScaffold/TNTScaffoldoff - rain tnt on anyone while walking in the air/turns tntscaffold off.
I.kit - gives you illegal items!
Xp+ - rains hundreds of satisfying bottles of xp to fulfil your needs.
Suicide - kills yourself
Mass-suicide - kills everyone
mob-suicide - kills all entities.
w.tntscaffold/w.tntscaffoldoff - rain 9x the tnt while walking compared to tntscaffold WARNING: MAY CAUSE LAG!/turns w.tntscaffold off
OpenWaterESP/OpenWaterESPoff - checks if where you're fishing can yield treasure/turns OpenWaterESP off
AerialStrike - sends bombs from the sky!
Nuke - AerialStrike but more powerful.