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
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.
StatsCore
This is a library mod required for all Statistics Mods by oCraftX.
NitroSkulls ☄️ Ultimate Head Engine ⭐ 92000+ & Smart Skull System [1.20 - 26.2]
NitroSkulls | Head Library, Skull Search & GUI
SpeakePie's Bigger Stack
Increases stack limit.
(Better) Shared Advancements
Share advancements between teams or the whole server, online or offline, with more configurability! Server-side!
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.
SDM Stages
API for creating a step-by-step progression
Mob Player Animator Neo
an unofficial port of mob player animator to neoforge 1.21.1
GrandPower
Simple Energy API with support for long amounts, and full interoperability with Forge Energy.
Simple Permissions
Simple Permissions Mod For Fabric.
Quirky Vehicles Framework
Mod framework providing tools for easier implementation of multipart and multiplayer-movable vehicles
SkWorldGuard
Most Worldguard effects/events in skript
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.
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)
Nuclear Radiation
Radioactive hazards into Minecraft
JEI QuickCraft
Craft JEI recipes instantly from your inventory
Herobrine Model
A resource pack dependency for the Herobrine data pack.
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!!
AstraTemplate
Template plugin for Paper/Fabric/Valocity with pure and powerful functionality
Datamancer
The must have tool for datapack developers and command block enthusiasts! This mod will accelerate your development process.

Velocity-Skript
A plugin that add his own programming language like skript but for velocity
Physical_structures API
Adds the ability to generate physics structures from Create aeronautics using the API during world generation.
Kraken Mod
A mod that add a Kraken and a structure in the ocean. The geckolib library is needed.
Tulip
A config library for Minecraft that makes it easy to handle saving and loading config data to and from config files
adminlogger
A Minecraft mod designed for server admins to log player commands and chat messages since their server entry
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.
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.
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 ! )
Infrastructury
Cross-version modding API
Spectre lib [UNOFFICIAL PORT]
an unnoficial port of spectrelib for 1.21.1
CIT Resewn (NeoForge)
Re-implements MCPatcher/OptiFine's CIT (Custom Item Textures). NeoForge port of SHsuperCM's CIT Resewn.
Enchanting Overhauled
Enhances the enchanting experience found in Minecraft!
Biome Squisher
A library mod for adding biomes by "squishing" other biomes out of the way
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.
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!
Crafting Essentials (Elytra Edition)
this mod simply adds a recipe for the elytra