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Minecraft Java 1.21 Mods

Browse 3,590 free mods for Minecraft Java 1.21 — popular picks include NickName Changer, StatsCore, NitroSkulls ☄️ Ultimate Head Engine ⭐ 92000+ & Smart Skull System [1.20 - 26.2].

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NickName Changer
1.21.4fabric

NickName Changer

Ever wanted to see your own nametag? Now you can. Instant nicknames, effortless skin swapping, and 1.21.4 optimized rendering—all in one lightweight package.

3.2kdownloads
StatsCore
1.21.1neoforge

StatsCore

This is a library mod required for all Statistics Mods by oCraftX.

3.2kdownloads
NitroSkulls ☄️ Ultimate Head Engine ⭐ 92000+ & Smart Skull System [1.20 - 26.2]
1.20spigot

NitroSkulls ☄️ Ultimate Head Engine ⭐ 92000+ & Smart Skull System [1.20 - 26.2]

NitroSkulls | Head Library, Skull Search & GUI

3.1kdownloads
SpeakePie's Bigger Stack
1.21.1neoforge

SpeakePie's Bigger Stack

Increases stack limit.

3.1kdownloads
(Better) Shared Advancements
1.21.9fabric

(Better) Shared Advancements

Share advancements between teams or the whole server, online or offline, with more configurability! Server-side!

3.1kdownloads
Bits N Pieces
1.21.1neoforge

Bits N Pieces

Mod for personal use: Bits N Piece is an aesthetic mod that adds a massive collection of functional and decorative items: placeable drinking mugs with potion effects, overflowing food barrels, rustic kitchenware, library items and a wood add-on.

3.1kdownloads
SDM Stages
1.21.1neoforge

SDM Stages

API for creating a step-by-step progression

3.1kdownloads
Mob Player Animator Neo
1.21.1neoforge

Mob Player Animator Neo

an unofficial port of mob player animator to neoforge 1.21.1

3.1kdownloads
GrandPower
1.21neoforge

GrandPower

Simple Energy API with support for long amounts, and full interoperability with Forge Energy.

3.1kdownloads
Simple Permissions
1.20.1fabric

Simple Permissions

Simple Permissions Mod For Fabric.

3.0kdownloads
Quirky Vehicles Framework
1.21fabric

Quirky Vehicles Framework

Mod framework providing tools for easier implementation of multipart and multiplayer-movable vehicles

3.0kdownloads
SkWorldGuard
1.19.4

SkWorldGuard

Most Worldguard effects/events in skript

3.0kdownloads
Environment Driven Assets
1.21fabric

Environment Driven Assets

Environment Driven Assets is a FabricMC mod which implements the env.json library in order to apply it on vanilla asset types.

3.0kdownloads
Vulgar's PvpBot
1.21.1fabric

Vulgar's PvpBot

Pvpbot is an mod that uses carpet as a dependency it adds players that can be summoned through commands, these players have advanced combat ai and can be used to practice PvP (Player Versus Player)

3.0kdownloads
Nuclear Radiation
1.21.1neoforge

Nuclear Radiation

Radioactive hazards into Minecraft

3.0kdownloads
JEI QuickCraft
1.20.1forge

JEI QuickCraft

Craft JEI recipes instantly from your inventory

3.0kdownloads
Herobrine Model
1.21.4

Herobrine Model

A resource pack dependency for the Herobrine data pack.

3.0kdownloads
Ultimate Banking System (UBS)
1.21.1neoforge

Ultimate Banking System (UBS)

Advanced Banking system for Economy style servers. Allows players to open bank accounts and banks. Mod includes ATM where players can send money, deposit, or withdraw real dollar bills!!

3.0kdownloads
AstraTemplate
1.16

AstraTemplate

Template plugin for Paper/Fabric/Valocity with pure and powerful functionality

2.9kdownloads
Datamancer
1.21fabric

Datamancer

The must have tool for datapack developers and command block enthusiasts! This mod will accelerate your development process.

2.9kdownloads
Velocity-Skript
1.7.10

Velocity-Skript

A plugin that add his own programming language like skript but for velocity

2.9kdownloads
Physical_structures API
1.21.1neoforge

Physical_structures API

Adds the ability to generate physics structures from Create aeronautics using the API during world generation.

2.9kdownloads
Kraken Mod
1.21.1neoforge

Kraken Mod

A mod that add a Kraken and a structure in the ocean. The geckolib library is needed.

2.9kdownloads
Tulip
1.0fabric

Tulip

A config library for Minecraft that makes it easy to handle saving and loading config data to and from config files

2.9kdownloads
adminlogger
1.20.1forge

adminlogger

A Minecraft mod designed for server admins to log player commands and chat messages since their server entry

2.9kdownloads
LuaLink
1.21.4

LuaLink

LuaLink is a plugin that provides a Lua scripting runtime for Paper-based Minecraft servers. It serves as an alternative to Skript however can do just about anything a typical Java plugin can do.

2.9kdownloads
Villager Job Tools
1.21.10fabric

Villager Job Tools

Client-only. Reroll any villager's trades (break/place their job site block) until wanted offers appear. Trades Finder, Auto Buy, Auto Sell. Keybinds: K = menu, R = start/stop.

2.9kdownloads
Redstone Additions
1.21.9

Redstone Additions

Best redstone&tech datapack, Super optimized, 55+ blocks (Block breaker, block placer, filters, conveyors, item pipes, breeder, generators, gates, chunk loader, wireless redstone, multiblocks, jetpacks and so much more ! )

2.9kdownloads
Infrastructury
1.21.2neoforge

Infrastructury

Cross-version modding API

2.9kdownloads
Spectre lib [UNOFFICIAL PORT]
1.21.1neoforge

Spectre lib [UNOFFICIAL PORT]

an unnoficial port of spectrelib for 1.21.1

2.9kdownloads
CIT Resewn (NeoForge)
1.21.1neoforge

CIT Resewn (NeoForge)

Re-implements MCPatcher/OptiFine's CIT (Custom Item Textures). NeoForge port of SHsuperCM's CIT Resewn.

2.9kdownloads
Enchanting Overhauled
1.21.10neoforge

Enchanting Overhauled

Enhances the enchanting experience found in Minecraft!

2.9kdownloads
Biome Squisher
1.21.1fabric

Biome Squisher

A library mod for adding biomes by "squishing" other biomes out of the way

2.9kdownloads
Simple Orbital Cannons
1.21.1neoforge

Simple Orbital Cannons

Circuit & Cartridge is a NeoForge 1.21.1 military simulation framework featuring advanced redstone, drones, orbital weapons, electronic warfare, and a public addon API, built for hardcore SMP and mil-sim servers.

2.9kdownloads
TikTok Live Connector
1.21fabric

TikTok Live Connector

Connect Minecraft with your TikTok livestream! Let viewers trigger in-game events via likes, comments, or gifts to make your world dynamic and interactive. Perfect for engaging streams where your audience can directly shape your adventure!

2.8kdownloads
Crafting Essentials (Elytra Edition)
1.21neoforge

Crafting Essentials (Elytra Edition)

this mod simply adds a recipe for the elytra

2.8kdownloads