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Minecraft Java 1.21 Mods

Browse 1,228 free mods for Minecraft Java 1.21 — popular picks include Swap Mod, Redstone Light Bulbs, Redstone-chan Chemical Elements.

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Swap Mod
1.21fabric

Swap Mod

Block Swaping Block

752downloads
Redstone Light Bulbs
1.20

Redstone Light Bulbs

Gives a light bulb look to redstone lamps!

751downloads
Redstone-chan Chemical Elements
1.21.1neoforge

Redstone-chan Chemical Elements

About Added 118 chemical elements and their derivative items to the game.

750downloads
Create Aeronautics: AaA's Compact Gearshift
1.21.1neoforge

Create Aeronautics: AaA's Compact Gearshift

An adjustable multi-gear transmission for Create — configurable gear ratios, shift via redstone or Create's redstone links, full drive-by-wire support!

743downloads
FairPack
1.21

FairPack

Adds various Utility features for pvp, redstone and survival like transparent ui, shorter swords, lower shields, golden apple count without Optifine

742downloads
Nodewire
1.21.1neoforge

Nodewire

A Minecraft NeoForge 1.21.1 mod that replaces redstone with a node-based logic system. Build logic visually in an in-world editor, then export it as a reusable graph — across sub-level boundaries (Sable) and alongside Create + Create Aeronautics.

735downloads
Create: Sound of Steam: Ultimine Tuning
1.21.1neoforge

Create: Sound of Steam: Ultimine Tuning

An automation addon that integrates Tuning Wrench with the FTB Ultimine API to mass-configure redstone networks in a single click.

731downloads
Diamond diamond pickaxe
1.21.8fabric

Diamond diamond pickaxe

Adds the powerful diamond diamond pickaxe to the game! Its a pickaxe that anything it mines replaces that with diamonds. its crafted with redstone, diamonds, and blaze rods

728downloads
Cardboard redstone
1.17

Cardboard redstone

Makes the redstone stupid but also kinda cool-looking. Surely you can't use it as your main redstone pack (because blocks are more detailed=laggier), but it's cool

723downloads
LogicGates [1.16 - 1.21] | Redstone logic gates in one block!
1.16spigot

LogicGates [1.16 - 1.21] | Redstone logic gates in one block!

Forget about giant Redstone logic gates. All logic gates in one block!

722downloads
Super Potions
1.21.5neoforge

Super Potions

Allows players to use both glowstone and redstone on their potions to make super potions. These potions will have x2 strength, but without the decreased duration.

716downloads
Mar Mar's Crops Growth Detector
1.21.1neoforge

Mar Mar's Crops Growth Detector

Enhance your farms with the new crops growth detector, a machine that outputs a redstone signal depending on the crops age.

707downloads
Create: Linked Icons
1.21.1neoforge

Create: Linked Icons

Easy to craft alphanumeric and directional icons for your redstone links. No more color codes!

706downloads
Kingtusks Manhunt Compass
1.21.1neoforge

Kingtusks Manhunt Compass

Player tracking compass for manhunts

706downloads
Block Breakers (Pickaxe Block)
1.21

Block Breakers (Pickaxe Block)

This vanilla friendly datapack adds the Block Breaker, a new redstone block!

703downloads
Create: Better Contraption Storage
1.21.1neoforge

Create: Better Contraption Storage

A filterable storage block for Create contraptions and trains — no more wrong items in the wrong place.

697downloads
Create Aeronautics: Ship Saver
1.21.1neoforge

Create Aeronautics: Ship Saver

Save and load Create: Aeronautics ships physical structures with their mounted contraptions, swivel bearings and wireless redstone using a simple command and an in-game menu. No items, no blocks, no network packets of its own, so installing it on

682downloads
"Illegal" Redstone
1.21fabric

"Illegal" Redstone

Adds structures to obtain unobtainable blocks.

680downloads
LetSableTick
1.21.1neoforge

LetSableTick

LetSableTick fixes compatibility issues between Create Aeronautics and optimization mods like DoesPotatoTick & DoesItTick by keeping physics contraptions ticking properly.

677downloads
Simple Andesite
1.21.8neoforge

Simple Andesite

Adds craftable hammers that let you convert cobblestone into andesite, including an ultimate unbreakable version powered by Nether Star and redstone.

673downloads
Create Cracking Contraptions 5: Aeronautics
1.21.1neoforge

Create Cracking Contraptions 5: Aeronautics

A Create Mod focused Modpack designed for the Create Cracking Contraptions SMP

673downloads
CC: Wireless Peripheral Sable
1.21.1neoforge

CC: Wireless Peripheral Sable

Adds wireless peripheral linking for CC: Tweaked computers on Sable contraptions. Connect remote peripherals through a persistent virtual hub with configurable link costs and limits. Requires Create, Sable, and CC: Tweaked.

666downloads
PixelLife
1.21.1neoforge

PixelLife

a custom pixelmon modpack featuring contraptions and food stuff

663downloads
Handle It Up
1.21.4neoforge

Handle It Up

Use Amethyst, Redstone, Lapis Lazuli and Copper in MANY More Ways!

659downloads
ANC Indicators
1.21.1neoforge

ANC Indicators

ANC Indicators, short for Alphabetic + Numeric + Color Indicators, is a mod which aims to help with organization and channel management for mods that have such, by adding various indicators. Also includes an automatic universal recoloring process!

657downloads
Ethereal Reborn
1.21.1neoforge

Ethereal Reborn

Ethereal is a modpack that reimagines Minecraft as a boundless fantasy world. From vast enchanted biomes to roaring brass contraptions, wonder thrives.

656downloads
Piston Push Limit Changer
1.21.1neoforge

Piston Push Limit Changer

Changes piston push limit from 12 to 64 or 4096. Leave a comment if you need a custom version.

646downloads
Silence Redstone
1.20

Silence Redstone

A simple resource pack that silences all redstone sounds for a cleaner Minecraft experience.

640downloads
Redstone Quill
1.21.1neoforge

Redstone Quill

Adds a redstone quill item that lets you write redstone on the walls!

637downloads
Crafty Hands
1.21.1neoforge

Crafty Hands

Craft Right and Left Gloves and place them in Dispensers to simulate right and left clicks.

628downloads
Glowing [Redstone Addon]
1.20

Glowing [Redstone Addon]

An addon for Glowing texture pack that adds compatibility with new redstone torch textures

603downloads
Wietse's Create Additions
1.20.1forge

Wietse's Create Additions

Brass Redstone Links and more!

602downloads
HEX Dust
1.13

HEX Dust

Displays redstone dust signal strengths

599downloads
Create Unique Card
1.21.1neoforge

Create Unique Card

Add absolute wireless security to Create's Redstone Links. Introduces the "Unique Card" encrypted with a one-of-a-kind UUID to prevent any channel cross-wiring.

598downloads
Neon Light
1.21.1neoforge

Neon Light

A simple mod that adds a singular block featuring 17 color variants, the Neon Sign! A glowing modular block suitable for large sign creation and displaying both letters and symbols in large glowing letters. Decorate your builds or server with custom signs!

598downloads
Chanklouder
1.19

Chanklouder

Chanklouder is a reliable plugin that lets players keep chunks loaded so their contraptions run 24/7. Manage loaders through a convenient GUI, with support for economy, regions, and multiple languages.

592downloads