Minecraft Java 1.21 Mods
Browse 1,683 free mods for Minecraft Java 1.21 — popular picks include Metals: A Progression Overhaul, VG Artifacts, Minecraft But EVERY Mob Explodes!.
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Metals: A Progression Overhaul
A simple, vanilla friendly progression overhaul.
VG Artifacts
A datapack that adds famous items from various video games, such as mario and zelda!
Minecraft But EVERY Mob Explodes!
Pretty much"Minecraft but Every Mob Explodes" lol
AeroMechanica
A high-performance Create and Aeronautics modpack. Fly custom steam-and-jet powered airships, build power grids, automate weapons, and enjoy a cozy immersive sky-exploration experience on 1.21.1 NeoForge!
Planet Craft
A mod to create a universe with Planets, Suns and Black Holes all customizable to your liking.
HanKkk's Enhanced Experience - HEE
HanKkk's Enhanced Experience: A finely curated modpack that boosts performance, enhances visuals, and enriches your Minecraft adventure with new structures, improved mechanics, and seamless quality-of-life mods. A complete upgrade of your Minecraft World!
TradeMine Item Random
Add the Randomness in Minecraft
Meds And Herbs Reborn
Adds new in-game mechanics, medicine and poison.
Connected Dimensions
This datapack introduces a unique and immersive way to travel between dimensions by falling into the void or reaching the build height limits.
Freedom's Border
Freedom's Border is a Minecraft plugin that allows you to control the world border with ease. It includes a dynamic feature to automatically expand the world border after a configurable amount of time, encouraging exploration and adventure.
Enchantment Exploration
A mod which rebalances the enchantment table to use enchanted books chiseled bookshelves for their enchantments. Part of the difficult craft modpack.
Falling Boulders!
Enter a mod full of soul crushing falling boulders!
Voice Announce
This is a plugin where you can announce using VoiceChat
TenLives
TenLives is a Minecraft plugin designed to add an extra layer of challenge and excitement to your survival gameplay
Better End Portal
Allows for creatable End Portals.
The Darkness Realm
WIP
Big Globe x Cold Sweat
A simple data pack that configures the Cold Sweat mod to better work with Big Globe's expanded world height, overhauled biomes, and unique blocks.
7000 World Height
Build up to 7000 BLOCKS in the sky in all three dimensions!
Space Explore
This mod allows you to explore an entire galaxy of unique planets
WeatherCore
Library mod for registering custom weather conditions

Heart and Stamina Containers
Health and Stamina upgrades. Exploration based. Very configurable.
JustBackup
The simplest the lightests backupmod
Evan's Vanilla+ 2
A Vanilla+ Modpack for 1.21! It adds new mob mechanics, new world generation, dungeons, mobs, and items to Minecraft!
SuperRH bosses
This mod adds some uh cool stuff like a very strong boss and a total red biome

No Elytra Mod
Server-side Fabric mod that flexibly disables elytra flight in selected dimensions without breaking items or requiring client-side installation.
Soulbound SMP
Soulbound Hardcore SMP with Souls & Hearts
MZZ's Desert Survival
Makes the whole world a desert; overhauls Minecraft's crafting recipes to provide unique progression and highlight Minecraft's overlooked features.
End Only Elytra Flight
A simple mod that restricts ALL (even modded) elytra flight to the end only. Good for servers concerned about worldgen lag. Has a config for disabling elytra flight entirely.
Fractured Distance
As you go further and further from spawn, the terrain, structures, mobs, blocks, items, and physics of Minecraft start to slowly corrupt
Single Biome World
Single Biome world allows you to generate entire Minecraft worlds using only one selected biome.
InfiniteLavaSourceX
A plugin that makes lavasources infinite like water.

UniverseGate
Create your own portals between long distance and dimensions and discover the Rift dimension!
UHC+
A data pack that adds in UHC, but with additional features like augments, special items/equipment, and bosses that spawn in during the game.
Suspicious Bread
Really goofy mod that may or may not ruin the speedrun community. Some might call a speedrun with this mod a bread%
CMobs
With this plugin there is slight chance for mobs to spawn as compressed. When they are killed they uncompress so 10 more of them spawn in same place.
Pokeballs to the Walls
Cobblemon addon that ports Gravelmon Poke Balls and adds orange and purple apricorns without the Gravelmon or GEB dependency.