Minecraft Java 1.21 Mods
Browse 1,912 free mods for Minecraft Java 1.21 — popular picks include Create: Crushed Concrete, UpgradableHoppersPlugin, Chest Door Lock.
Updated daily
Create: Crushed Concrete
Allows the ability to crush all vanilla concrete into concrete powder for the off chance you accidentally turn one too many into concrete. From Dense to dust jiffy quick!
UpgradableHoppersPlugin
A high-performance, Folia-ready hopper solution that enables tiered, stack-based transfers to eliminate item bottlenecks and lag.
Chest Door Lock
Lock is a lightweight and multiplayer-friendly Minecraft datapack that allows you to easily secure your items and structures.
Seamless Survival Overhaul
A modpack designed to enhance and deepen the survival experience, adding new challenges, mechanics, and immersive features.

AI Moderator
AI-Moderator is a cutting-edge, high-performance moderation system for Minecraft servers (Paper 1.21+). It combines lightning-fast local heuristic filters with the deep contextual understanding of modern AI models (Gemini, OpenAI, Ollama).
Create: Kinetic Horizons
Create: Kinetic Horizons Create: Kinetic Horizons is a high-performance 1.21.1 NeoForge modpack dedicated to the art of mechanical engineering. It strips away the "magic" of traditional tech mods and replaces it with visible, rotating machinery.
ProjectileSpeedLimiter
Limits speed values in Minecraft to reasonable values to prevent a server crash whilst using experimental minecarts.
StarStacker
A lightweight dropped item stacking plugin written for StarRaid.Minehut.gg which runs on 1.21.10 (paper)
Away From Crafting (AFC)
An AFK mod that is simple yet powerful and is designed for a multiplayer environment.
Robot's Datapack Tools
This datapack library adds multiple tools which make datapack creation easier.
Harbor Folia
A Folia/Canvas port of Harbor for accelerated night skipping on Minecraft 26.1.2 servers.
HyskBlockUpdateInhibition
blocking neighbor updates caused by block replacements.
give2
Give any item to any player, instantly. Browse all Minecraft items, search by name, customize enchantments, and target multiple players.
GitWorlds
A Simple World Version control with Github.
Skyblock Infinite: Skybound Spelunking Addon
A Simple Ore Crafting Addon Mainly For Skyblock Infinite but can be used for other things!
Refined Fluid Substitution
Adds a fluid substitution pattern, allowing fluids to be used directly instead of buckets to Refined Storage
Climbable Powder Snow
makes it so you can climb powder snow

Blaze and caves scoring
Adds a scoring system for blaze and caves advancement pack
Configurable Cobblestone Generator
Configure lava-water cobble generators with weighted block outputs, vanilla defaults, and optional Create drill support for NeoForge 1.21.1.
MAutoBroadcast
A high-performance, GUI-driven automated announcement system. Fully customizable intervals and messages with zero performance impact.
1.21 GameRules Restore
1.21 GameRules Restore brings back the original behavior of selected gamerules from version 1.21 that were changed in Minecraft 1.21.11. This allows servers to keep the old mechanics without downgrading the game version.
AtomicsLib
This is a library datapack which adds all the annoying things you end up making everytime.
Enhanced Recipes
Enhanced recipes adds a ton of new must have recipes into Minecraft such as bulkcrafting and faster recepies etc
Bagel's Admin Tools
Easy to use admin tools, such as vanish, invsee, announcements, cleanup, and more.
cheaper_chunkloader
Makes loadstones cheap (one oak button) and you put a dirt block on top of the loadstone to make it the chunk constantly load
Create Edition
This modpack is heavily focused on the Create mod, featuring a large collection of addons and expansions that enhance automation, engineering, and complex mechanical builds.
Optimized Performance Pack
This project has every mod that you need to play Minecraft or these mods are also optimize your game even in low end PC
SoulChest
Modern Paper plugin for creating protected death chests with GUI management, teleportation, XP storage, holograms, and inventory recovery, built for performance, reliability, and seamless gameplay.
NamVelocityBlockVersion
A lightweight Velocity proxy plugin to block specific Minecraft versions per backend server. Supports custom commands and ajQueue integration.
twinkle popo mod
it adds twinkle popo realistic pikachu and realistic hellokity
Squint
Client-side mod for Minecraft 1.21.1 (NeoForge & Fabric). Replace vanilla render cutoffs with per-category distances, optional ultra-far draw, and limits you control.
RavenAdminSystem
Everything you need to manage your server — in one plugin. No extra setup, no hassle. Install and start working.
Piece
Piece is a high-performance Minecraft 1.21 RPG combat plugin that transforms your server into a competitive MMO-style PvP experience. It introduces deep progression systems, , bounty hunting, stamina-based combat,
FurnaceEditor
A collection of powerful in-game editors to manage crafting and smelting recipes effortlessly. Create, edit, and delete recipes via intuitive UIs without ever touching a config file.
AltWorld
AltWorlds is a Minecraft plugin that lets players create and manage personal worlds with a GUI.
Furnaces Revival
Adds new furnaces that introduce new mechanics to minecraft! The project is WIP