Minecraft Java 1.21 Mods
Browse 576 free mods for Minecraft Java 1.21 — popular picks include Maid's Return, oSzoukaua's: Floating Damage, Moar Bosses.
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Maid's Return
Add lost maid! Now you can fight with these maids.

oSzoukaua's: Floating Damage
Want to see how much damage you do? Now you can see it though floating numbers!
Moar Bosses
Moar Bosses adds 7 types of randomly spawning bosses into your Minecraft world. Each boss has 3-5 unique and crazy magical attacks, and drop cores that can be used to craft magic wands. The bosses have custom textures using Optifine or Reselect or CET.
Repairsmith
Adds a repairsmith villager that can repair damaged items for emeralds
Variating Mobs
Mobs can spawn with varied stats! Aswell as a few more related things.
Phantomcatcher
Way to protect yourself from phantom spawning
Pulchra Occultorum
This was a mod all about Victorian Science, Carneval and Occultism. Features are put on hold for now.
SMP Silk Spawner
Silk Touch spawners implemented in a vanilla/smp friendly way! Fully configurable with different things that could happen with breaking spawners
Golden Dandelion Backport
Adds the Golden Dandelion to earlier versions of the game

DinoBrik's Species | Fantasy Races
Adds 10 fantasy races you can play as. Includes Dwarves, Elves, Goblins, Minotaurs, Giants and Pixies. Races/Species give unique abilities aswell as change many aspects like health and size.
Combat Expansion
Adds a whole new collection of weapons, armor, and enchantments for PvP
Health & Damage HUD
Displays health and damage indicators for entities in a simple and intuitive way!
Eye of Dreams
When night falls, new powers awake. Adds the Eye of Dreams to Minecraft
Ea Nasir's Items and Bosses Pack
Introduces new bosses, items, and more!
Naturalis - Realistic Remorphed
RP Survival morph progression for ReMorphed: Knowledge XP, instincts, Resonance bonding, Humanity, and body-specific mechanics.
Barely Default Data Pack
The Barely Default Data Pack made for Mickey Joe's "Barely Default" Resource Pack!
Deltapack
A deltarune datapack adding content from dark fountains and dark worlds to the roaring knight. As well as items and spells like snowgrave and the shadow mantle.
Crystalline
A Mod about amethyst and crystals
RandomDirtDrops
RandomDirtDrops is a fun Minecraft data pack that makes breaking dirt blocks drop completely random items from the entire game — from diamonds to dragon eggs! Perfect for chaotic survival challenges and OP item speedruns.
xTokenSMP Season 1 Back!
Custom Mob Tokens with Unique Abilities and Visual Flair!
Armour Trim Abilities
Adds armour trim abilites for almost all the trims.
Hell's Survivor
A Nuclear Themed Horror Mod.
Potions & Such
New effects, potions and items, stackable potions, a use for the fletching table and new arrow types, a new monster and more!
Shiny Horses Reborn
Enchantable Horse Armor
P.I.G. - Personal Intermediate Groink
It isn't a normal pig...
Dungeons, Creatures and Classes (DnD)
A D&D inspired RPG mod with Mobs, structures, classes and a lot more!
Falings' Summonings
Adds a new ender mob with trades to spare, a new currency and a new magic structure
Epic Bosses
A mod for epic bosses in minecraft that adds a lot of unique content.
DOOM The Titans
This mod is a recreation of "The Titans Mod" But the titans are now stronger than ever. Alongside the old titans, this mod also adds new OP equipment, and new Titans to fight.
EntitySize
Change the size of any living entity with a transition!
Universal Jewelry
Adds compatibility between Iron's Gems n Jewelry and other mods
Bodebojo's Enchantments
A Datapack that adds random enchantments I feel would fit in the vanilla game
Lynx Morph mod
Morph into unlocked mobs and use unique abilities with a synced multiplayer menu. (BETA)
THE DELTA RUNE
A DELTARUNE mod for Minecraft. Previously known as Minecraft: 5th Dimensional. (Heavy WIP.)
Dong Dong's random creation
magic and energy,new ore,new dimension,new tool and weapon type.
Cyra
A Minecraft mod that reveals the secrets of the ocean!