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Minecraft Java 1.21 Mods

Browse 1,228 free mods for Minecraft Java 1.21 — popular picks include Simple Redstone Torches, Pridestone - Nonbinary, Trappers resource pack.

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Simple Redstone Torches
1.21.1

Simple Redstone Torches

This pack makes a simple change, Redstone Torches are now similar in color to other Redstone components while maintaining the style of other Torches.

242downloads
Pridestone - Nonbinary
1.21.9

Pridestone - Nonbinary

A resource pack that modifies redstone to be Nonbinary themed using Cyanstone.

237downloads
Trappers resource pack
1.20

Trappers resource pack

Makes pistons, observers and other redstone items more bare bones style, makes webs red, makes sting impossible to miss and changes the pickaxe

235downloads
FaxeL's Better Redstone
1.21.8

FaxeL's Better Redstone

More convenient look for redstone components

235downloads
Precise Physics Staff
1.21.1neoforge

Precise Physics Staff

Adds a new physics staff that is really precise at moving / rotating the contraptions (WIP)

232downloads
Stari's Redstone Pack
1.20

Stari's Redstone Pack

Adds various tweaks to enhance your redstoneing

231downloads
24w33a Redstone Torches
1.20

24w33a Redstone Torches

This resource-pack retextures redstone torches from older versions to the redstone torches from the snapshot 24w33a

230downloads
Process Optimized
1.21.10fabric

Process Optimized

PROCESS Optimized Pack, deeply tuned for low-end GPUs, delivering stable 300-512 FPS with full technical redstone support, bringing smooth Minecraft 1.21.10 gameplay to aging hardware.

229downloads
Simple Copper Wrench
1.21.8fabric

Simple Copper Wrench

Rotate blocks easily with the Copper Wrench – the perfect tool for builders and redstone engineers.

229downloads
Redstone from Blood
1.21

Redstone from Blood

Adds a simple recipe to make Redstone from Blood and sand. This data pack requires the Butchery mod to function.

228downloads
Crops growth detector
1.21neoforge

Crops growth detector

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

228downloads
Pridestone - AroAce
1.21.9

Pridestone - AroAce

A resource pack that modifies redstone to be AroAce themed using Cyanstone.

226downloads
1Luiisssss
1.21.3

1Luiisssss

Redstone, Technical, Survival, AstrumSMP

226downloads
UltClearLagg
1.21

UltClearLagg

Advanced lag reduction, automatic cleanup systems, mob optimization, TPS monitoring, smart entity management, redstone lag prevention, Bedrock GUI support, and real-time server performance tools.

217downloads
Pridestone - Genderfluid
1.21.9

Pridestone - Genderfluid

A resource pack that modifies redstone to be Genderfluid themed using Cyanstone.

216downloads
Redstone Galore: Light Leak AddOn
1.20

Redstone Galore: Light Leak AddOn

Redstone Galore adds to the default Light Leak Experience by adding a multitude of features regarding the redstone aspect of the game, including blocks such as rails, pistons, and redstone lamps.

215downloads
Black & White Redstone Lamps
1.21.9

Black & White Redstone Lamps

Makes redstone lamps black and white instead of yellow

215downloads
Bacon SMP
1.21fabric

Bacon SMP

The Bacon SMP is a mod that introduces custom weapons and a redstone-powered string duper to the game. The custom weapons are crafted from valuable materials. This mod is still in development. There are many bugs.

211downloads
Gravity Core Block
1.21.4fabric

Gravity Core Block

The Gravity Core Block is a redstone-powered device that creates an 8-block radius anti-gravity field

211downloads
Elektrofy
1.21.3

Elektrofy

A lightweight GUI resource pack designed with a redstone and energy aesthetic, perfect for tech-themed builds or mods.

210downloads
Chunk Border Redstone Highlighter
1.21.11fabric

Chunk Border Redstone Highlighter

A client-side performance debugging tool that highlights redstone components sitting on chunk borders — the #1 cause of server lag. Toggle with one keypress (O).

208downloads
Create: APU
1.21.1neoforge

Create: APU

Adds a dedicated APU (Auxiliary Power Unit) for engine cold starts and mid flight power loss. Activated with redstone and powered by coal, no need for handcranking.

207downloads
Create: Signalworks
1.21.1neoforge

Create: Signalworks

Create: Signalworks is a small Create addon for building more varied redstone control systems.

207downloads
Create: Hyperdrive
1.21.1neoforge

Create: Hyperdrive

Adds a Hyperdrive block, which allows for sable contraptions to teleport between dimensions

205downloads
Create Physics Staff
1.21.1neoforge

Create Physics Staff

This mod introduces a Remote Physics Staff that allows you to transform structures into fully physical contraptions from afar and seamlessly restore them back into blocks.

200downloads
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
Mojav Optimised
1.21.10fabric

Mojav Optimised

This modpack is designed to supercharge Minecraft performance on Fabric, improve framerate stability, reduce lag, and offer useful quality-of-life enhancements — especially on tougher worlds with lots of entities, redstone, or visual load.

193downloads
Izmaost's Floral Redstone
1.21.5

Izmaost's Floral Redstone

Reworks redstone to look more like floral vines. Great for decorating and for people who don't like redstone!

190downloads
Block Speed Mod
1.21fabric

Block Speed Mod

Block Speed Mod lets you configure how many items are processed per Redstone pulse for Droppers, Dispensers, and Autocrafters. All settings are saved per world, so each save has its own independent configuration.

188downloads
Aero Block Ban
1.21.1neoforge

Aero Block Ban

Prevents configured blocks from being placed on simulated contraptions

183downloads
RedCheck
1.21.11fabric

RedCheck

Redstone info HUD for Fabric!!

180downloads
Contraptions o' Plenty
1.21.4

Contraptions o' Plenty

A Minecraft Datapack that adds in (5) Brand New redstone components!

180downloads
RegexRails
1.21

RegexRails

Add redstone logic for your detector rails. Compare minecart names, change them, and add to them.

179downloads
Redwork
1.21.1neoforge

Redwork

Redstone automation mod

177downloads
SerialCraft
1.21.11fabric

SerialCraft

Bring Redstone to life! A simple mod to connect Arduino and Minecraft via serial port. No complications, just plug and play.

177downloads
SimpleChunks
1.21

SimpleChunks

An easy-to-use chunkloader with a modern GUI, teleport system, and secure permission management — ideal for farms, redstone, and automated systems.

176downloads