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Minecraft Java 1.21 Mods

Browse 21 free mods for Minecraft Java 1.21 — popular picks include Redstone Sound Slider, Amarong, Laseredstone.

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Redstone Sound Slider
1.21.11fabric

Redstone Sound Slider

Adjust your piston / dispenser / trapdoor / buildstone volume separately from other blocks.

55kdownloads
Amarong
1.21.1fabric

Amarong

Adds a new material called Amarong, handheld "rubber" ducks, kaleidoscopes, and rainbow beacons with no redstone required

7.7kdownloads
Laseredstone
1.21.8fabric

Laseredstone

Redstone but we use lasers to transfer signals

4.6kdownloads
VistaQuality
1.21.1neoforge

VistaQuality

An addon for Vista that adds dynamic control over how strong the CRT effect is. Just add redstone!

4.0kdownloads
Create: Lights & Controls
1.21.1neoforge

Create: Lights & Controls

More lights and wireless redstone switches that plug straight into Create's Redstone Link network

3.2kdownloads
SG Tracks
1.21.1neoforge

SG Tracks

SG Tracks adds tracks that work like regular wheels for Create Aeronautics. You don't need any extra mounting blocks — just place the tracks directly on your machine and build your contraption.

2.8kdownloads
Hero Statue
1.21.8fabric

Hero Statue

Adds the Hero Statue block, which can hold an item, and be posed using redstone.

2.0kdownloads
Create: Tow & Haul
1.21.1neoforge

Create: Tow & Haul

Towing gear for Create physics vehicles: a redstone winch that reels a real steel rope, tow bars to hook it to, and a coupling that joins two tow bars with a rigid drawbar so you can actually pull a trailer. For Create: Aeronautics / Simulated.

1.4kdownloads
Proximity Lamp
1.21.9

Proximity Lamp

Adds 4 light modes: proximity, nocturnal, permanent and proximity-nocturnal. Works with redstone_lamp, candles, copper_bulbs and campfires.

1.2kdownloads
Create: Restone (link) Funktions and Colored Pixels
1.21.1neoforge

Create: Restone (link) Funktions and Colored Pixels

RedstF extends Create with new Redstone Link mechanics: programmable functions, more frequencies, and RGB displays.

1.2kdownloads
CU later
1.21.2

CU later

My take on a datapack that replaces redstone component's iron with copper (and some other tweaks)

812downloads
Create: Red Button
1.21.1neoforge

Create: Red Button

Adds a wireless Redstone button that can be used in the world and linked to Redstone Links.

543downloads
The Secret of Minecraft(The Secret of the Mimic mod)
1.21.1fabric

The Secret of Minecraft(The Secret of the Mimic mod)

Adds a mechanic to the Iron Door, so that when you place an emerald block next to it, it becomes permanently blocked, preventing any redstone signals from reaching the door. And how can I open it? With the Data Diver! This is your master key, allowing you

467downloads
Cobalt of Imagination
1.21.8neoforge

Cobalt of Imagination

Push and pull blocks with redstone. Cobalt Imagination comes with a whole variety of blocks and items.

367downloads
Dice-Blocks by Limo4317
1.21.1neoforge

Dice-Blocks by Limo4317

There are just blocks here, one for each of the numbers 1 to 6. And then you can simply build a dice machine with a redstone mechanism.

345downloads
Missed Tinkering
1.21.1fabric

Missed Tinkering

The combat and tinkering update added some cool things! This mod expands on the tinkering theme to provide some fun new redstone items.

194downloads
Artisanal Blocks
1.21.1neoforge

Artisanal Blocks

A mod that allows the customization of a block "per blockface". Additional features include light level configuration, toggleable passibility, and redstone control!

146downloads
POWERED
1.21.1fabric

POWERED

Revamps automation. Adds a ton of configurable & polished redstone components, allowing you to do more than ever before.

81downloads
Craftable Creakings
1.21.4

Craftable Creakings

This simple data pack allows one to craft a creaking egg in survival! Now you can build redstone machines that activate simply by looking at a creaking that doesn't despawn! (The creaking will not despawn if named)

32downloads
Enchanter Fix Mod (1.21.11, 1.20.1) – Decorate Without Downgrades
1.21.11fabric

Enchanter Fix Mod (1.21.11, 1.20.1) – Decorate Without Downgrades

Enchanter Fix Mod lets you beautify your enchanting setups without sacrificing power. Normally, placing non-bookshelf blocks near an enchanting table reduces its effectiveness but not anymore. Enchanter Fix ensures your builds stay stylish and functional. Features: Allows any block (decorative, redstone, solid, etc.) near enchanting tables without reducing enchantment levels Keeps traditional mechanics like torch […]

Create Modpack (26.2, 1.21.1) – Build Moving Machines And Fly
1.21.1

Create Modpack (26.2, 1.21.1) – Build Moving Machines And Fly

Create Modpack focuses entirely on building moving machinery and physical contraptions to explore your world. It blends vanilla-friendly decoration with a deep, mechanical power system that rewards creativity. You will need to build real, working vehicles to travel far, making every journey a true engineering project. Features: Rotational Power System: Machines run on physical energy […]