Minecraft Java 1.21 Mods
Browse 1,683 free mods for Minecraft Java 1.21 — popular picks include "Townfall" - Dungeon in the sky, Fennec: Jukefox, Rock.
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"Townfall" - Dungeon in the sky
Data pack roguelike sky dungeon
Fennec: Jukefox
Music assets for the Fennec modpack
Rock
A simple mod that adds decorative pebbles to the Minecraft world generation without the need of resource pack.
Dimension Date Lock
A small plugin which allows admins to lock the vanilla dimensions until a specific day and hour has passed.
Wither Fortress│凋零堡壘
Now the Wither has its own home — the Wither Fortress, and you can no longer outmaneuver it.│現在凋靈有了自己的家──凋靈堡壘,你再也無法巧勝它。
Wireless Redstone Plugin
Adds wireless redstone to cross long distances easily
Geologica
Overworld biomes with natural rocks and sinkholes without adding bloat.
Bad Mod:Recheesed
A bad mod, or is it? Vsauce theme plays...
end Update (Enderite & Biome Expansion)
Ever want an end update? Then download this mod and get it with 4 new biomes and tons to explore, get out and face the end
Border Expansion
A datapack that slowly expands the World Border whenever players are online, then pauses its expansion when players leave
SkazochniyPatrol
Dive into the magical world of the animated series "Fairytale Patrol"! Meet your favorite heroines - Alenka, Masha, Snezhka and Varya, explore mysterious structures, collect the keys of the elements and go to a new dimension - the Fairytale World!
Summer Drop: Ghastlings
Adds Ghastlings from Minecraft Live
Netherite Upgrade Always There
Plugin that spawns Netherite Upgrades in every single Bastion Chest.
Higher Build Limit
Makes the build limit higher but not too high so it is somewhat stable and less laggy!
Water Enhanced
Expands ocean gameplay with new resources, gear, and aquatic mechanics while staying true to vanilla.
TranquilZone
Create a defense zone
Far Frozen
Will you be able to survive and escape the frosty, Far Frozen landscape? All cold biomes. Hard early game survival.
Minerware
First on the market professional Minerware plugin for free ! Inspired by Cubecraft server
Disposable Compass
Turn Nature's Compass and Explorer's Compass into one-destination navigation items with shift-right-click search-next.
MeowFurniture
Create survival-friendly custom blocks, ores, multiblocks, crafting, and commands, with a web block generator.
CustomMeteorJS
Using KubeJS to customize the meteorite of AE2
Celestial Horizons
Adds 170 Biomes ,1 new dimension and 20 blank presets for map making. Alpha v1.0 is designed for mapmaking.
Oozy Codex
A progression-rich Tensura expansion with 248 skills, a Living Registry, Bestiary, Ultimate Echoes, Ascension, and Legacy abilities.
RuneDelta
150 runes for weapons, armor, shields and tools that spice up combat and exploration
outer end spawn
spawn in the outer end islands upon creating a world
Carpet Sky Additions Miller's Planet
Carpet extension providing a world like Miller's Planet from movie Interstellar, with new ways to obtain resources.

THE OTHER
Overpowered Terrific HBM Effortlessly Reimagined
Custom End Portals
Customize the End Portals in Strongholds!
Pigs Addition for 1.21.5
Who's ever wanted to have Minecraft Earth pigs on Java? This datapack adds them 🐽
RTP Plugin smp
A fast and reliable RTP plugin for Minecraft Paper servers that lets players safely teleport to random locations. Perfect for Donut SMP-style gameplay, it encourages exploration, reduces spawn crowding, and delivers smooth, customizable performance.
World's Whisper
Conquer shape-shifting bosses and craft elemental gear in a realm ruled by four mystical seasons.
LogicGates
Forget about giant Redstone logic gates. All logic gates in one block!
Sable Encounters
way of making sable sublevels spawn with entities/structures
Zone Cleaner
A powerful server admin tool designed to remove blocks and entities in large areas without server lag. Includes a smart progress bar and an Undo feature.
Added Things
Random added features like ores, tools, biomes, dimensions & more. Oh, and there is a Deepslate Instant Mining Enchantment.
Auto-worldreset
A good automatic world reset plugin that allows you to automatically reset your worlds. Prefect for farmworlds