Minecraft Java 1.21 Mods
Browse 129,818 free mods for Minecraft Java 1.21 — popular picks include TQ's No Duping, Mekanism Ore Borders, beanstalk.
Step by step: How to install Minecraft Java mods & modpacks
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TQ's No Duping
Various toggles for disabling dupes (rails; carpets; tnt; gravity blocks; tripwire hooks).
Mekanism Ore Borders
I couldn't find any Mekanism Ore Borders anywhere else so I decided to make my own :D
beanstalk
configurable consumable feathers to award players temporary flight
DCWebHook [DonateCase Addon]
Adds the ability to send a webhook when the animation is finished
CD Music Disc
turns the music discs into little CDs

Red Crosshair
Just Makes the crosshair red With a different shape
Advanced Structures: Pre-Release
A Minecraft mod that adds more than 70 new structures.
noodleshader
Shaderpack that adds many interactive and realistic features such as foliage that reacts to you moving nearby, water reflections, godrays, and much more.
Progressioned
A mod about making the start of minecraft harder by adding more progression
DeathSwap by DFWS
A powerful but reliable plugin that add Death Swap Death Shuffle and Block Shuffle to Minecraft.
Voice Bridge
Bridges Plasmo Voice and Simple Voice Chat on the server side
Vibrancy Glowing Ores
Adds Vibrancy subtle lights to vanilla ores

Almost Vanilla Mushrooms
Vanilla Minecraft mushrooms but 3D
Animorph | Server
Morph into a custom model, play emotes, and configure them to your liking.
Legacy4J Early Java Clasic Skin Pack 1
A collection of user-made Skin Pack for the Legacy Skins mod. Adds 40+ skins from 15+ years ago, capturing that early Minecraft style.
PlotWorlds » 1.20 - 1.21.11
Migrate from PlotSquared | Plot Holograms | Plot Rent System | MySQL & SQLite support
JourneyMap Icons
This Resource pack gives you 6 new icons for waypoints on JourneyMap
XMMForceFairPlay
Enforce fairplay settings on players using Xaero's Minimap mod
Pavlovian Dogs
Wolves with a neural network, now you can train them with voice commands!
Can't Sleep (Fabric)
Some nights shows a message similar to "There are monsters nearby" and blocks sleep until the next day. Easily configurable.
Block'd Forge
Bleeding edge minecraft with a few QoL mods, shaders, and distant horizons.
Sakura Pack
A Create centered modpack with a little magic tossed in. This pack is optimized for running a server for builders.
Checkmate
Gives you the opportunity to play a chess game of any size anywhere in the minecraft world.
TotWM - Extra Towers (Wraith Waystones Compatibility)
Compatibility data pack between "Towers of the Wild Modded - Extra Towers" & "Wraith Waystones".
Basalt GUI [DARK]
GUI that don't burn your eyes! Oh wait... I think it rhymed! I wonder why!
Torben's Project
A modpack that gives plenty to do and explore, with a focus towards giving as many mods and features as much balance as possible to encourage use of all of them!
NeoBB - BlockBattles
A better version of Block Battles, where multiple players compete in a turn-based game, similar to chess or card games.
Neon Minecraft Title
Makes the Minecraft logo on the title screen neon
Mob Variations
Adds more Randomness to Minecraft mobs!
Blacklist SMP
A small modpack designed for the Blacklist SMP
The znibis
This mod adds a creature that lurks in your world...
World Curvature
A simple curvature in the vertices of the world.
ChessVillage
Play Chess in Minecraft with Villagers!
PigonPvP
A Minecraft Vanilla Crystal PvP texture pack that makes a few small changes to enhance how the game looks.
Loopy Powers
A mod that adds several unique superpowers via survival progression.
Seasonal Villages
Seasonal events, decorations, gifts, and villager behaviors that make Minecraft villages change throughout the year.