Every 30 seconds, the gravity of all players in the world will change randomly.
Vanillamon [Cobblemon]
A cobblemon addon adding 24 new fakemon based on minecraft mobs, with many more to come!
Kits Creator
Create, customize, and manage powerful kits with ease... perfect for any Minecraft server!
Recibles
A Datapack that adds 100+ Recipes to crafting tables, furnaces AND stonecutters!
Nasir's Simple Skills
Adds a very simple skill point system into Minecraft!
RecipesXL
Adds new vanilla recipes to Minecraft!
Mob Battle
This datapack makes mob battle possible in vanilla Minecraft! You can add mobs in 4 teams and they will fight with each other.
Greedy Mobs
Makes monsters able to pick up items all the time.
Prehistoric Mobs
Adds the Big Beak (a large ride-able bird), and the Hungry Dripleaf (a carnivorous plant).
Nie's British Weather
British Weather, but in Minecraft :p
Vertical Rails
Use ladders as vertical Minecart tracks.
Die by the Sword
Live by the sword, die by the sword! Your enemies become stronger but you too can become stronger to combat them!
Kawatt's Increased Torch Output
Makes torch recipes give 2 times more torches
Islands Overworld
Switch the generation of the vanilla world to flying islands.
Luna's Keep Inventory
A keep inventory mod/data-pack with customization in mind!
Falings' Summonings
Adds a new ender mob with trades to spare, a new currency and a new magic structure
Anything in Sulfur Cubes
Make every block absorbable by the Sulfur Cube with its own properties!
Ride Dragon
Rideable tame Ender Dragons in unmodded minecraft
Twin Doors
Allows paired doors to open and close simultaneously when interacting with one of them, making double doors work as a single, seamless unit.
Cavernous-X-Patched
A port of Cavernous making use of Patched to make it work with other mods such as Terralith.
Redstone-chan's Enchantment Expansion
Make enchanting more fun~ (>▽<)
Big Globe - Biome Tags
Adds Big Globe's biomes to vanilla and Tough As Nails biome tags
One Block
Start on a single block in the void - every item you will ever own falls out of it. Every player who joins gets their own island automatically. Server-side datapack.