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Minecraft Java 1.21 Mods

Browse 3,322 free mods for Minecraft Java 1.21 — popular picks include Lodestone Redstone, Underground Unlimited, Redstone Capacitor.

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Lodestone Redstone
1.21.10

Lodestone Redstone

Adds wireless redstone using levers, lodestones and compasses!

412downloads
Underground Unlimited
1.21neoforge

Underground Unlimited

A cool mod that modifies the underground adding new blocks, new structures, and more. Hop into the deep unknown. Be careful though all who go only some come back.

411downloads
Redstone Capacitor
1.21.4fabric

Redstone Capacitor

Adds a Redstone component inspired by capacitors

411downloads
CaloCraft 2
1.21.1fabric

CaloCraft 2

CaloCraft is a combination of mods to create a personally satisfying Minecraft experience. It comprises of 240+ Mods and Resource Packs, ranging from world gen changes to new items and mechanics. 2.0 currently in Beta and anything is subject to change

411downloads
Create: Easier Sheets
1.21.1neoforge

Create: Easier Sheets

Introduces the Sturdy Hammer a tool that lets you manually press any valid ingot into a sheet on a Depot without needing kinetic energy.

408downloads
Cart Speed
1.20

Cart Speed

Customize individual Minecart speeds, or global speeds, with a simple command. Ops only by default.

407downloads
Tiny Auth
1.21.6fabric

Tiny Auth

Authentication system that allows you to use almost all characters (0-9, A-Z) with dialogs.

406downloads
RED OS
1.21.11fabric

RED OS

RED-OS is a technological suite for Minecraft, it is a unified operating system for your world.

406downloads
Max Ping
1.21

Max Ping

Max Ping kicks player's with a ping of 50 or higher by default, you can change this value in the config file.

404downloads
Create: CABIN crafts
1.21.1neoforge

Create: CABIN crafts

Port your beloved mechanics from Create: Above and Beyond In Newer to even newer version!

402downloads
Verdant Mulch
1.21.5neoforge

Verdant Mulch

Mulch that harvests and replants your crops!

402downloads
Everything Slime
1.21.9fabric

Everything Slime

This mod makes every block in Minecraft bouncy, like slime.

401downloads
Stellar Depths
1.21.1neoforge

Stellar Depths

Drift through cosmic emptiness. A space exploration mod built around scale, silence, and the unknown.

400downloads
Worthify
1.21

Worthify

Fast, modern item worth & pricing system for Minecraft servers

399downloads
MinecraftContentExpansion
1.21.1neoforge

MinecraftContentExpansion

New early game, new materials, new mechanics, new tools and much more!

399downloads
AeroOreGen
1.21.1neoforge

AeroOreGen

Makes cobblestone generators generate Create resources like Andesite and Copper, compatible with Create: Aeronautics and customizable!

398downloads
The Claw Datapack
1.21

The Claw Datapack

Extend the range you can place/brake blocks with a new tool! Inspired by the Crab Claw, introduced my Mojang in the 2023 Mob Vote.

398downloads
Polydex2REI-Forked
1.21.9fabric

Polydex2REI-Forked

Converts Polydex recipes to work with REI!

397downloads
Block Extractor
1.21.1neoforge

Block Extractor

Extract resources from blocks!

394downloads
Engineer
1.21.4

Engineer

Engineer datapack 1.20.5 and more is a datapack designed to add new mechanics for automation and mechanics. It adds an automatic block breaker, an end hopper, "block to block" (allows you to transform blocks) and other things.

394downloads
AntiElytraTarget
1.21

AntiElytraTarget

A Simple Plugin AntiElytraTarget For Your Servers. Made By Worty1

392downloads
MultiWeather
1.18

MultiWeather

World specific weather utilities

392downloads
MultiTime
1.18

MultiTime

World specific time utilities

392downloads
Cobblemon: Snackbar SMP
1.21.1neoforge

Cobblemon: Snackbar SMP

The Cobblemon & Create modpack used on the Snackbar SMP, combining Pokémon-style gameplay with Create’s mechanical systems and automation.

392downloads
G-Lottery
1.21

G-Lottery

A plugin desinged to add a lottery to your server. A perfect addition to your economy !

391downloads
Google Gemini AI God
1.21.1

Google Gemini AI God

a free-tier google gemini based version of the ChatGPT minecraft roleplay bot with some additional upgrades.

391downloads
AE2 Terminal Mouse Wheel Scrolling
1.21.1neoforge

AE2 Terminal Mouse Wheel Scrolling

(Client side) Scroll through your installed terminals using the mouse wheel!

390downloads
Redstone Frequencies
1.21.9fabric

Redstone Frequencies

Wireless Redstone with a clean and simple Frequency method

390downloads
Triangulate
1.21.8fabric

Triangulate

Triangulate lets you easily estimate the coordinates of a target using Triangulation

390downloads
MHDF-Tools
1.17.1

MHDF-Tools

MHDF-Tools | Dream Tools | ✨ A lightweight portable high performance Bukkit base plugin ✨MHDF-Tools | 梦之工具 | ✨一款轻量化便携高性能的Bukkit基础插件✨

390downloads
Tabula Vista
1.20

Tabula Vista

High End Tab Plugin , Placeholder Support, Color Support, Hex Color Support

389downloads
BDEngineImport
1.21.1fabric

BDEngineImport

A Packet-based Import Library for the BDEngine editor

387downloads
StatsSigns
1.21.11fabric

StatsSigns

StatsSigns expands StatsMod to sign displaying

386downloads
PatternLogin
1.21

PatternLogin

An authentication plugin for offline mode servers

386downloads
简单火力覆盖 Simple Firepower Coverage
1.21.1neoforge

简单火力覆盖 Simple Firepower Coverage

Fill the artillery launcher with missiles, then launch the artillery indicator, and saturation artillery coverage will follow

385downloads
PlayerCodes
1.20.1fabric

PlayerCodes

Player Codes lets players share their own live codes with friends and the community. Players must explicitly opt in to publish their codes, so everything is consensual and transparent. Perfect for servers, content creators,

385downloads