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Fabric Mods for Minecraft 1.21

Browse 158 free Fabric mods for Minecraft 1.21 — popular picks include Better crafter, Gateways, QuasiDusting.

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Better crafter
1.21.1fabric

Better crafter

Adds a Smart Crafter block that automates crafting with recipe locking patterns and intelligent inventory management for redstone systems.

284downloads
Gateways
1.21.1fabric

Gateways

A vanilla-esque teleport pad mod for both blocks and entities with redstone compatibility

278downloads
QuasiDusting
1.21fabric

QuasiDusting

This Fabric mod modifies Minecraft's quasi-connectivity (QC) behavior, making it directional and toggleable by using redstone on a QC affected block

259downloads
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).

228downloads
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

223downloads
Biznesmod
1.21.8fabric

Biznesmod

This mod adds new biomes, a new villager proffesion, new mechanics (upgradable abilities, collecting iron dust to make iron ingots, etc...), new custom structures (10+), a TNT cannon which shoots tnt where you look and some new redstone components.

222downloads
Redstone Timer
1.21.1fabric

Redstone Timer

A simple Redstone Timer block for Minecraft, made to control redstone signals with a customizable delay.

214downloads
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.

199downloads
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
Sculk Eye
1.21.11fabric

Sculk Eye

Adds a new Sculk Eye Block - scans entities of a given type in a given radius and emits redstone signal based on the count

163downloads
Hot Redstone Wires
1.21.5fabric

Hot Redstone Wires

Wires get hot! Makes redstone dust and blocks painful to step on.

161downloads
Player Detector
1.21.11fabric

Player Detector

Redstone block that detects if a player is standing on it

122downloads
POWERED
1.21.1fabric

POWERED

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

105downloads
I Like Stone That Is Red
1.21.11fabric

I Like Stone That Is Red

A pretty good redstone modpack.

103downloads
Crystal Components
1.21.1fabric

Crystal Components

Crystal based Redstone components

102downloads
computer_6
1.18.1fabric

computer_6

A lightweight redstone optimization pack

101downloads
Hopper Lock Visualizer
1.21.11fabric

Hopper Lock Visualizer

Client-side debugging tool that highlights redstone-locked hoppers with a red wireframe. Instantly see which hoppers are disabled — no more guessing why your item sorter stopped working.

100downloads
AviationLights
1.21.10fabric

AviationLights

This mod adds a flickering effect to redstone torches and introduces three additional items that can be used as aviation obstruction lights

91downloads
Copper Buttons - New Redstone Buttons
1.21.11fabric

Copper Buttons - New Redstone Buttons

⚡ Craft new copper buttons with adjustable times! The perfect redstone signal extender. ⏱️

84downloads
Quick Redstone
1.21.1fabric

Quick Redstone

This mod allows you to speed up redstone with a single command. Its like tick rate but it only affects redstone.

79downloads
Cobalt Age
1.21.11fabric

Cobalt Age

An expanded redstone, up to 60 power lenght, waterloggable, optimized, with vertical relays, incompatible with redstone, and blue! It comes with minerals and block sets.

77downloads
Beyond The Simulation
1.21.4fabric

Beyond The Simulation

Grow a Lab Grown Brain that Connects Redstone Beyond the Distances, Dimensions, Worlds, Servers and Realities? (yes, connect redstone to real life)

70downloads
Protect My Redstone
1.21.11fabric

Protect My Redstone

A singleplayer mod that detects active redstone ticks in loaded chunks and warns you before you log out to avoid breaking your farms/flying machines.

68downloads
Redstone Unit Testing
1.21.10fabric

Redstone Unit Testing

Adds a simple interface for unit tests in Minecraft Redstone.

58downloads
More Redstone
1.21.11fabric

More Redstone

More fully vanilla style redstone blocks that Mojang should add in Minecraft!

47downloads
Regius Redstone
1.21.11fabric

Regius Redstone

This mod adds redstone components that aim to make computational redstone easier.

47downloads
Redstone Diode
1.21.11fabric

Redstone Diode

This adds one simple block: the Redstone Diode. What this does is attaches to any solid + conductive block below it, and transmits the power that block recieves upwards. It's as simple as that!

18downloads
Cobbled Gacha V3 Mod (1.21.1, 1.21) – Capsule Loot Machines And Pokémon Spawners
1.21.1fabric

Cobbled Gacha V3 Mod (1.21.1, 1.21) – Capsule Loot Machines And Pokémon Spawners

Cobbled Gacha V3 Mod adds Cobblemon-themed gacha machines and capsule pulls. This mod centers on exchanging Relic Coins for random capsules with different rarities, then opening those capsules for randomized loot. It also craftable gacha machines built from accessible ingredients, plus additional craftable contraptions that affect gacha pulls. Features: Standalone mod release Adds Cobblemon-centric gacha […]

Create Pillager Arise Mod (1.21.1, 1.20.1) – Automated Pillager Bases
1.21.1fabric

Create Pillager Arise Mod (1.21.1, 1.20.1) – Automated Pillager Bases

Create Pillager Arise Mod introduces new mechanized pillager fortresses and engineered outposts into world generation. These structures combine standard pillager encounters with mechanical contraptions inspired by Create, including automated defenses and trap systems. Features: Adds mechanized pillager fortresses to world generation Adds engineered pillager outposts with mechanical themes Includes automated defenses within structures Features mechanical […]

Carpet Mod (1.21.11, 1.20.1) – Game Performance Monitoring
1.21.11fabric

Carpet Mod (1.21.11, 1.20.1) – Game Performance Monitoring

Carpet Mod is a popular modification for Minecraft that enhances the game by providing advanced tools for monitoring, controlling, and optimizing gameplay. It is particularly favored by technical players and server administrators. It provides many tools, commands and special capabilities that extend vanilla Minecraft-especially useful for technical players, redstone engineers, farms, and automation. Features: Tools […]

Ender Dragon Egg Respawn Mod (1.21.5, 1.20.1) – Infinite Legacies
1.21.5fabric

Ender Dragon Egg Respawn Mod (1.21.5, 1.20.1) – Infinite Legacies

Embark on a journey to reshape the fate of the Ender Dragon with the Ender Dragon Egg Respawn Mod for Fabric. This spotlight will highlight the key features and possibilities that this mod introduces to your Minecraft adventures. Integrate dragon eggs into your redstone contraptions or automated systems. Explore the potential for unique contraptions and […]

Reden Mod (1.21.8, 1.20.1) – Ctrl+Z to Redo While Building with Redston
1.21.8fabric

Reden Mod (1.21.8, 1.20.1) – Ctrl+Z to Redo While Building with Redston

Reden Mod makes working with redstone in Minecraft easier and more fun. It introduces an undo and redo feature, allowing players to fix mistakes while building redstone machines by pressing Ctrl+Z. The mod also adds Redstone Version Control (RVC), enabling users to share redstone creations on GitHub and manage them like code. Block selection is […]

Masa Gadget Mod (1.21.5, 1.20.1) – Elevating The Minecraft Experience Further
1.21.5fabric

Masa Gadget Mod (1.21.5, 1.20.1) – Elevating The Minecraft Experience Further

Masa Gadget Mod introduces a powerful all-in-one tool designed to assist players with building, automation, and general gameplay. Whether you're placing blocks, interacting with entities, or streamlining repetitive tasks, this mod provides a flexible and efficient solution. Features: Functions for building, redstone, and automation. Adjust settings to fit your needs. Simplifies complex tasks with intuitive […]

Launchers Mod (1.21.4, 1.20.1) – Transportation, Redstone
1.21.4fabric

Launchers Mod (1.21.4, 1.20.1) – Transportation, Redstone

Launchers Mod is quite straightforward and traditional in its implementation. As the average players learn more about how to initiate a redstone mechanic, pistols commence to become a fulcrum in the operation of one machine. However, its lack of interaction with entities frustrated many, leading to the advent of these Launchers. They're quite straightforward, if […]

Literally Chunk Loader Mod (1.21.4, 1.20.1) – Simplifying Minecraft Automation
1.21.4fabric

Literally Chunk Loader Mod (1.21.4, 1.20.1) – Simplifying Minecraft Automation

Literally Chunk Loader Mod ensures that specific chunks stay active even when you are far away, allowing processes like redstone mechanisms and mob farms to continue functioning. Features: Vanilla Friendly: Seamlessly integrates with the vanilla Minecraft experience. Simplicity: Easy to use with no complex setups. Just place a block in the desired chunk. Utility: Keeps […]

Litematica Printer Easyplace Extension Mod (1.21.1, 1.20.1) – Redstone-Aware Fast Block Auto Placement
1.21.1fabric

Litematica Printer Easyplace Extension Mod (1.21.1, 1.20.1) – Redstone-Aware Fast Block Auto Placement

Litematica Printer Easyplace Extension Mod provides a redstone-aware fast block auto placement system built on top of Litematica’s EasyPlace. It supports directional blocks, accurate placement protocols and various automation utilities for technical builds. Features: How It Works Supports directional block placement on vanilla servers using Fake Rotation. Can use accurateBlockPlacement with carpet-extra on the server […]