Minecraft Java 1.21 Mods
Browse 577 free mods for Minecraft Java 1.21 — popular picks include Sniffer Exploited, Minecraft but everything is Random, Hardcore Ender Dragon.
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Sniffer Exploited
A plugin that aims to make Sniffers actually worth having in the game.
Minecraft but everything is Random
This datapack make your gameplay random , random potion effects,block drops are random and more.
Hardcore Ender Dragon
Datapack that makes the Ender Dragon significantly harder with new attacks and behaviors.
Runechant
This Data Pack is meant as a reimagining of Survival Minecraft adding in a multitude of features to enhance progression and existing content as well as create new content for a Survival Player to explore.
Rideble Dragon Mount
Dragon Mount, new hostile dragon, new end slime. Happy Dragon.

Enter the Bungeon
Completely rewrites Minecraft into a Roguelike Dungeon Crawler

FinalPiece
Adds content from One Piece (anime)
Candid - A True Adventure
Welcome to Candid! This project adds structures, enchantments, and all things catering to a true adventure. It's built as a companion to True Survival Mode, but can be played independently.
Blood N' Particles Datapack
This datapack consists of adding blood and particles every time you receive and dealt damage; a touch of immersion to the game!
Shinra Tensei!
Become Pain from Naruto and farm aura. This mod is updated as a part of my video series on Youtube where I code it into reality (in Turkish).
More Villages Datapack
Adds more villages to the game.
Dimension emptiness
Prepare yourself for a harrowing journey with the "Dimensions void" data pack! This pack introduces a nightmarish dimension known as the Void, a realm where no soul remains after the inevitable demise of all living things. Here, darkness reigns supreme, an
The Dababy Modification 2
Explore an alien dream like world, encounter unique mobs, use new mechanics, and see Dababy's face on every texture
Thanks Mobs(Спасибо мобы)
Thanks mobs is a mod that adds many interesting mobs and more!
Dragonights
The official Minecraft mod for the Dragonights TV series, developed and maintained by J9 Studios and representatives of the Dragonights franchise.
The Elementals - RPG
Master the power of the elements in this immersive RPG mod!
Player Immortality Mod
Become immortal and never go below 1 HP half a heart of health, except from void damage.
Nerfed Warden
This lowers the warden's damage making defeating the warden easier

Blade Oil
Adds oils that can be applied to weapons, boosting damage against certain mobs
Dominatus : Refinement
Aim for more RPG like with RNG and improve a combat implementation Monster Crit System
Kappa's AntiCheat
A lightweight Fabric anti-cheat designed for high performance on large-scale servers.
BloodyParticlesMod
Make every hit feel meaningful. Mobs splash thematic blood and impact particles when damaged different effects per mob, scaling with attack charge and critical hits.
Theosis
Plugin-ready RPG survival with loot, gems, bosses & biomes. Thesis-style modularity. Multilanguage Apotheosis-inspired
Don't Kill Friends!
Protect your tamed animals from damage, even when you're offline! Lightweight plugin with HEX color support and full configurability for Minecraft 1.16.5-1.21.11.
Soul Cage
Soul cages for capturing and releasing mobs
Sleep Animation: Immersive Sleeping Plugin
Simple: Adds an animation while the night is skipped by players sleeping, making things really more immersive!
Double Hit Damage
Doubles mob and player hit damages.
Coated Blades
Potion effect tipped/coated weapons that inflict effects on players and mobs.
SAO Particles
A mod that spawns particles when mobs die, just like in SAO!
Shearing Sheeps Drop op loot
Shear a sheep → get insane end-game loot. Works on every version from 1.21 to 1.21.10. Adds custom loot table, and turns sheep into walking OP supply crates. Perfect for chaos survival or challenge world
Lost in Dreamland(迷失梦域国)
Add a series of new things.Including a new dimension.
Golem Gear
A Mod themed off of Iron Golems. The mod adds many features such as golem blocks, golem ores, golem tools, and much more!
Mini Mobs
Adds new mini variant of mobs that spawn naturally.
Crying Obsidian Upgrade
Crying Obsidian Upgrade --- A mod that adds a lot of items, food, mechanics. Also adding a new biome, ores and mobs changing the idea of weeping obsidian. The mod also fills the world with different structures.The mod is filled with different content.
Water of Youth
Make your pets never age with this DataPack. You can turn entities into baby or adult form at will.
Configurable Raids
Create your own raids with some JSON magic!