Minecraft Java 1.21 Mods
Browse 3,635 free mods for Minecraft Java 1.21 — popular picks include No Bugs, Villager Refresh, All Jebbed Out!.
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No Bugs
A mod where the maximum number of bugs are fixed
Villager Refresh
A plugin to update villager trades that ignores the gamerule doDaylightCycle.
All Jebbed Out!
All mobs now have that rainbow effect when named 'jeb_'
Illager Only
Datapack that disable hostile mob from spawning inside a mansion
gen1ify for Cobblemon
Turn Cobblemon into Gen 1 Only Pokémon
Cobblemon No Man's Craft Compatibility Patch
Fixes Cobblemon not spawning and asphyxiating on alien planets
Any Random drops
This is a mod that fills Minecraft with uncertainty. Breaking blocks, crafting items, and killing mobs will all result in completely random drops.
Artisan Pottery
This mod adds a variety of new features related to the archeology update. Pots can now be customized how ever you want, there are new animals roaming the deserts and badlands and new structures to uncover.
Happy Speed - Happy Ghast Enchantment
This mod adds a harness enchantment that makes Happy Ghasts move faster.
Simple Seasons
Adds a simple season system.
AntiTrample
Prevent players and mobs from trampling on your crops.
Wisp & Willow
A magic mod, inspired by occultism, botania, and thaumcraft.
MechaMew2 [cobblemon]
A mechanized Mewtwo engineered for perfection
The Minecraft (wikidot) Backrooms
A mod that aims to make the biggest lore accurate Minecraft backrooms experience. THIS IS BASED OFF OF THE WIKIDOT.

PickMeUp
Pick Up Entities and carry them somewhere
Copper Golem Hats
Stylize your Copper Golems
PySpigot
A Python scripting engine (plugin) for Minecraft servers running Bukkit or one of its forks (Spigot, Paper, etc.).
MobMoney
This plugin makes killing various mobs valuable for which you will receive money
Name Tag Mobs To Be Friends
Name Mobs "Friend" to Make them Friendly Towards Players
Chain Reaction Creepers
This mod makes creepers explode when they take damage from another explosion.
PokeBuilder - Cobblemon
Customize your Pokémon however you want!
Backrooms Through The Walls
Adds level 0, level 1, and the bacteria entity.
Bundleable
A Datapack that lets you pick up Mobs with a Bundle of your choice. Or launch the mob as a projectile with a Crossbow/Dispenser!
Dirt Conduit
Removes the Prismarine Block restriction from conduits
Peasy Mode
Pacifies hostile mobs in Easy difficulty
Acid Wasteland
A wasteland theme datapack with acid rain, mutated mobs and many other features.
Undead Horse Variants
All new variants for the skeleton horses and zombie horses! Fully implemented with custom textures and gameplay.

SpawnerSystem
An advanced, multi-mod spawning and placement system for Minecraft servers. It comes with detailed logging, multi-language support, and a custom pickaxe system.
TC World Cobblemon Rebron
The mod is developed to closely follow behaviors, events, and descriptions from the animated series and official lore, bringing the Pokémon world to life as authentically as possible. For example, carp-like creatures can leap waterfalls, and flying birds n
Better Wandering Trader Trades (BWTT)
A simple mod that gives the wandering trader the chance to have better trading options.
Custom Mob Heads
Let mobs drop heads!
No Modern Mobs
Removes mobs that aren't in Beta 1.7.3
Minecraft But a Mob Spawns Every 10 Seconds
Minecraft, but a random mob will spawn on top of you every 10 seconds, good luck.
Every Mob Drops
A datapack/mod that makes every mob drop something
Morphy
Morphy a Morph mod Transform into mobs and blocks inside Minecraft. Become mobs or blocks and truly become one of them. Compatible with modded entities and content.
FNAF Dreams and Nightmares (Work Game)
Mod will recreate the creepy atmosphere of FNaF 4