Minecraft Java 1.21 Mods
Browse 22,362 free mods for Minecraft Java 1.21 — popular picks include Animals Fury, SensCalc, Wararmbise.
Step by step: How to install Minecraft Java mods & modpacks
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Animals Fury
Turns all passive mobs against you, making even a walk at daytime dangerous
SensCalc
Calculate your optimal sensitivity for sword based PvP gamemodes
Wararmbise
Equip yourself for the frontlines with specialized field medic uniforms and tactical camouflage gear designed for both stealth and survival.
OfflineTP
This plugin adds a new command, /offlinetp. This command allows to teleport offline players or teleport to one.
Simple Groups And Claims
Simple grouping and chunk claiming system.
TicTacToeX
Adds TicTacToe to minecraft with cash or friendly matches
Even more Fantastic Smelting
A small mod to boost your smelting-experience. Allows you to smelt raw resource blocks, saving you time and space. Adds various recipes from the furnace to the blast furnace.
Keepers of the Stones II: Reinforced Batteries
Keepers of the Stones II: Reinforced Batteries is an add-on mod that adds reinforced batteries to the game, similar to those available in the first version of the mod.
SunMoonEffect
Sun makes you blind, Moon makes you weak
Carpet AMS Addition: NeoForged
Unofficial Carpet AMS Addition Mod port for NeoForge
GestaltResonance
tl:dr JoJo inspired stand mod, but without the JoJo flavor.
Graves PRO
⚡ Grave system for modern survival servers ⚡
ModernTags
Highly customizable nametags above players for all client versions
JustBackup
The simplest the lightests backupmod
Block Corruption
Adds a Block Corruption (similar to Alan Becker's) to your world!

R4's Day Counter
A counter that displays the day on start and new morning.
ExpBottle
Withdraw and deposit experience points using experience bottles.
Dimension Date Lock
A small plugin which allows admins to lock the vanilla dimensions until a specific day and hour has passed.
TuffXPlus
Enable modern features such as Below Y0, ViaBlocks, and more for TuffClient, a 1.12 Eaglercraft client.
Vuurkrab’s Tweaks
A collection of small client-side tweaks to improve your Minecraft experience, focused on PvP, visuals, sound, and more.
WHO IS THIS – Anti Invisibility
With this mod, if a player under the effects of an invisibility potion equips any piece of armor (of any type), they will become visible to you.
Simple Horseshoes
Adds Horseshoes to Minecraft!.
More Crafts by Juix
Datapack adding some useful Recipes that feel Vanilla
SimpleFov
Adjust your fov with customizable keybinds!
Communicated
A mod which adds many new ways to communicated between players
FPerk
Perk plugin with bungeecord support
Lightning Lotad [Remastered]
This is a recreation of the 1.6.4 mod, "Lightning Lotad", brought to Minecraft 1.20.1 This mod adds new tools & weapons as well as new materials and blocks!
Let's Expand
Multifunctional extension
Mega Mayhem [Cobblemon-MSD]
A Cobblemon Mega Showdown datapack that adds a plethora of custom Mega Evolutions designed by me, Skull :) (and my friends, but mostly me)
Projectile Deflection
Adds a small chance for Projectile Protection to deflect projectiles
Villager Workstation Link
This project adds a feature so we can see where the villager is connected to his workbench, making things faster and more efficient.
Spawnersilk
Mine spawners with silk touch / Spawner Management
Keep Random Items
Deletes random items when you die.
Simply Instamine: Deepslate
This is a servermod/plugin that makes it possible to insta mine deepslate

Craftable Froglight
Allows you to craft froglights using a shroomlight, slimeballs and magma cream
BookBook
No more bad loot enchants. Separate the enchantments!