Minecraft Java 1.21 Mods
Browse 1,710 free mods for Minecraft Java 1.21 — popular picks include PicoMC, Public Safety: Fear & Contracts, NeoPlots.
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PicoMC
Pico optimizes your Minecraft server to run on as little as 512mb RAM.
Public Safety: Fear & Contracts
Join Public Safety. Hunt devils born from fear. Make contracts that hurt. Become something worse than human, or die as one.
NeoPlots
Professional-grade, server-side plot management. Based on a plugin, but built natively for the modded ecosystem.
Colorfull Biomes
This datapack adds a collection of colorful biomes, for creative worlds or builders! Applicable with the /fillbiome vanilla command and compatible with world Edit.

Butcher's Deerhunting (Yi Xi)
Adds a minor, funny, slightly terrifying stalker to your worlds, along with cool weapons, tools, items, and a new material system to make them.
Nether's Paradise (Hell's Paradise)
Adds Biome, Powers, Mobs, Weapons ect... from Hell's Paradise !
Cinderwood
Cinderwood adds a full set of burnt wood blocks and changes fire spreading so that wood converts to burnt variants instead of being destroyed. Features charcoal drops, burnt saplings with natural and instant growth, and full crafting for all wood variants.
DragonEggRespawner
plugin that allows the dragon egg to appear more than 1 time
MyTPA
Simple and balanced TPA.
Sulfured GunPowder
Add a craft GunPowder and Sulfur

HySpawn
A lightweight, Folia-compatible spawn management plugin with configurable countdowns, void spawn rescue, sounds, and full MiniMessage support.
Structurepile
Makes all structures very common.

Sweetymod
A sweet mod that adds a new candy-themed dimension, complete with new blocks, items, and a biome to explore.
SeasonsAndHolidays
SeasonsAndHolidays Plugin Applies real-time seasonal effects and holiday-themed events based on the actual calendar, including snow in winter, falling leaves in autumn, and festive mobs during Halloween, Christmas, and Easter.
CorruptionCraft
A plugin that challenges players. Random events can occur. (no Spoilers!)
Mia RPG Server
Welcome to the ultimate Minecraft RPG experience! Our server combines classic survival gameplay with deep RPG mechanics, challenging dungeons, and endless exploration opportunities.
MIA RPG Client
Welcome to the ultimate Minecraft RPG experience! Our server combines classic survival gameplay with deep RPG mechanics, challenging dungeons, and endless exploration opportunities.
ToastRTP
The best random teleport plugin! Super configurable
To Adventure
Explore new custom biomes, upgrade your skills, and battle unique monsters in your journey — your adventure begins here!

Tea Ceremony
This mod allows you to host a tea ceremony right in your Minecraft world.
Forgotten Chunks
The chunks you interact with remain permanently protected, while the rest of the world regenerates automatically.
Chunky-Challenge
A Minecraft Mod wich spawns a new Mob you have to fight when you enter a new Chunk. Inspired by Youtuber BastiGHG
Middle-Earth_and_Farmer's_Delight
Middle-Earth and Farmer's Delight is a Datapack to bring compatibility in craft and item between Middle-Earth and Farmer's Delight
Slimes Everywhere
Allows Slimes to spawn at night in any biome
Simple Raider Guns
This mod adds the items and weapons from a famous videogame called Arc Raiders.
MagicStructure
Add trees, dungeons, new buildings, and flying islands from schematics to your world generation.
Borukva Fish
Polymer fully server-side fish
Shadow Addons
Adds shadow-themed blocks, tools, enchantments, dungeons, and custom challenge spawners.
ProjectEnervate
A ProjectE addon that rebalances EMC progression so that resource gathering and mining, and exploration remain useful throughout the game.
Celeste Discs
Datapack that adds new music discs from game Celeste
Stellarity_x_True_Ending_patch
Compatibility layer for seamless integration between Stellarity and True Ending datapacks.

Slime Tweaker
Small mod that adds a gamerule and config to change the size of spawned slimes.
Gardon's Minerals Pack
New More Ores and Gems to Minecraft!
Genshin Impact Lunar Expansion
It is a massive expansion that brings the magic, weaponry, and currencies of Teyvat into Minecraft, while completely overhauling your end-game exploration with breathtaking new biomes, mystical abilities, and custom entities.
Gilded Calcite
This mod adds a new block called Gilded Calcite.
Zombie Expansion
A mod that adds various types of zombies, blocks, items, dimensions, mechanics and more