Datapacks
List of Installed Datapacks
Anti Creeper/Ghast/Enderman
Stops creepers and ghasts from blowing up blocks and stops Enderman picking blocks up
Armor Statues
You can see how to obtain the book using /trigger as_help but it is as simple as Crafting a Written book and Signing it with the name "Statues"
GIF showing example!

The book itself contains a sort of tutorial inside of it for how to use the book but its mostly self explanatory :D
Armored Elytra
Simply drop any chest piece (except copper) with an Elytra onto an Anvil to produce "Armored Elytra" to split them up again drop the Armored Elytra onto a Grindstone.
Example Armored Elytra and Split

Bat Membranes
Bats drop Membranes because Phantoms are disabled due to Multiplayer Sleep (Chance of sleeping is lower)
Cauldron Concrete/Mud
Drop either Concrete Powder or Dirt/Corse Dirt into a Cauldron full of water
Classic Fishing Loot
Re-adds the old style fishing loot where you can find Enchanted Books, Enchanted Rods etc
Coordinates Hud
/trigger ch_toggle to toggle the Coordinates Hud

Custom Nether Portals
Allows you to build Nether Portals of any Size or Shape you want as long as the shape is surrounded by obsidian/crying obsidian
Double Shulker Shells
Drops 2 Shells instead of 1 (They are two halves after all)
Dragon Drops
Dragon will drop an Elytra when it dies!
Durability Ping
Will ping when you are getting close to breaking durability on any item
! > extra options available /trigger duraPing
Ender Chest Always Drops
Breaking an Ender Chest with a Diamond+ Pickaxe doesn't require Silk Touch
Fast Leaf Decay
Leafs decay faster (mitigated by Timber destroying leaves upon mining)
Husks Drops Sand
Upon death Husks will drop regular Sand
Mini Blocks
Use a stone cutter to turn certain blocks into Mini Blocks (Player heads with a skin) some trial and error will be needed for this one as there isn't a definitive list of blocks that work
More Effective Tools
Breaking blocks like Tuff and Basalt are now instant mine-able with Haste 2
More Mob Heads
Small chance that every mob that dies can drop a head
Multiplayer Sleep
Requires only one person to sleep to skip the night, We ask that you honor peoples request to keep it night though.
Nether Portal Coords
When in the Overworld you can type /trigger nc_inOverworld to see where you need to place a portal in the nether
This works both way try /trigger nc_inNether to see where the portal would be if you placed it in the nether where you are stood
Painting Picker
Use a Stone Cutter to choose a Painting variant
Player Head Drops
Player heads will always drop when they are killed by another player
Redstone/Terracotta Rotation Wrench
Rotation Wrench's are crafted with 1 iron and 3 gold You only need one version to do both Redstone and Terracotta
Example Crafting

Silence Mobs
Using a name tag, rename the tag to silence me and then right click any mob and they will be renamed "silenced" This process in not reversible!
Spectator Nightvision/Conduit Power
Makes it so Spectators can see a lot better overall (Secondary Spectator Accounts for Example)
Storm Channeling
Using a trident that has the Channeling enchantment, shoot the trident past build limit and this will summon a thunder storm!
Timber
Just hit a tree with an axe and let Timber do the rest! For trees that have usually low sapling drops we recommend breaking the leaves with a fortune hoe before breaking the trunk of the tree!
Unlock All Recipes
From the moment you spawn you will have a full recipe book at your finger tips!
Villager Death Messages
If any villager dies in the world (Loaded chunks) the server will announce where it happened encase of zombie invasion
Villager Workstation Highlights
While looking at a villager type /trigger vwh_findStation and it will Highlight the villager to confirm which one you have selected and show a particle effect over top of the Workstation currently linked to that villager
Wandering Trades/Announcements
Wandering Traders are announced when they spawn near by These Wandering Traders have the ability to trade emeralds and blocks for Mini Blocks!