Minecraft Java 1.21 Mods
Browse 349 free mods for Minecraft Java 1.21 — popular picks include The Aether, Dynamic Trees Plus, Dynamic Trees - Quark.
Updated daily
The Aether
The Aether Team presents the original Aether mod! Maintained and kept up to date for modern versions of Minecraft and fully compatible with multiplayer!
Dynamic Trees Plus
More than just trees!
Dynamic Trees - Quark
Compatibility Mod between Dynamic trees and Quark
Twigs
A Minecraft building blocks mod
Towers of the Wild Modded
Towers of the Wild - added to multiple dimensions and planets + waystone & paragliders
Bountiful Fares
Enhances the food and farming side of Minecraft!
Realm RPG: Fallen Adventurers
Improves world exploration by adding skeletons wtih treasures. Vanilla style.
Etcetera
Simple mod that adds random vanilla friendly features

Profundis: Nine New Quality Cave Biomes
A world generation mod adding in nine new cave biomes, to make the underground more varied.
Create: Let The Adventure Begin
A addon that implements many unique and balanced, create themed structures
More Mobs
Humanoid mobs get new variants through over 85 custom player heads or unused vanilla mobs! No Resource Pack needed!
DivineRPG
8 New Dimensions ♦ 115+ New Mobs/Bosses ♦ Hundreds of New Blocks and Items ♦ Unique Weapons and Armor
Aures - Farmers Structures
New structures for Farmers Delight that teach the player how to use the mechanics of this mod and are just beautiful!
Ember's Underground Rooms
New underground dungeons with varied rooms, treasure and enemies! Now with achievements!
Serene Shrubbery (Fabric)
Create lush gardens with new flowers and plants! Fabric Port!
Burnt + Additions
A Vanilla fire enhancing mod, if you light it, it will burn. Build your world and burn it down!
[HUGE UPDATE] Fisherman's Haven
A huge expansion for fishing and ocean exploration in Minecraft!

ArborFirmaCraft (AFC)
An addon for TerraFirmaCraft (TFC) adding new trees, new wood types, and tree-tapping recipes.
No Man's Land
An uncompromising Overworld Overhaul, Enhancing world generation in every biome and environment.
StructurePack
Datapack adding many new structures
BetterStructures
Add structures for any world generation!
Flora's Delight
Addon for Farmer's Delight that adds new Flowers, Fruits, build your own pizza, Cheese, and other Foods!
Foggy Pale Garden (FPG)
A mod that adds fog to the Pale Garden biome. But you can customize any kind of fog anywhere you like!
Cavernous
Cavernous is a datapack that brings many new biomes and features to the caves of Minecraft while maintaining a vanilla like feeling.
Piglin Conservatory v3.0
Adds a news structure to the Nether, The Piglin Conservatory, along with a new Obsidian Apple, Dragon Fruit, Toxic Mushrooms, Hoglins' Fossils, Corrupted Emerald and a New Music Discs!
Sengoku Jidai Mod
A Japanese-themed mod that overhauls every aspect of the game into the world of Japanese history, culture, and mythology.
Cobblemon x Generations (Generations-Core)
Generations is a massive sidemod crafted for Cobblemon, we enhance your experience by replacing blocky models with game-like Pokemon models, add thousands of blocks & items, and tons of new features.
RPGTitles
Small, cosmetic datapack that adds titles to small things in the game! See the dimension name when you switch dimension, see the current biome you are in and maybe get something when you kill a powerful foe..
I want it earlier (Mounts of Mayhem, IWIE)
This Minecraft Mod adds things from the Minecraft Live before Mojang publishes them in a snapshot! Or just backport the new stuff..
CobbleSpawners
This Cobblemon addon mod allows map creators or admins to place custom Pokémon spawners, manage spawn settings via a GUI, and control Cobblemon spawning behavior, including Pokémon species, spawn chances, and custom stats.
The Copperier Age: Copperier Copper
Expends and enhances the theme of The Copper Age drop. New blocks and mechanics, many tweaks, and awesome optional retextures!
No Build Limit
Increased build height limit! Build from -64 to +2032

Fathoms
Dredge the depths, seize the seas, and find secrets untold deep below the waves...
Endertech Infinity
Game expansion mod, adding post-End content, many worlds to explore and much more!
Create: Dimension, Steamworks Realm
Create: Dimension, Steamworks Realm introduces a brand-new mining-focused dimension, designed for automation and large-scale resource extraction. This world is filled with rich veins of ores
Classic Beta Biomes
Brings back the nostalgic feel of old Minecraft with a classic Beta-style biome!