Fabric Mods for Minecraft 1.21
Browse 61 free Fabric mods for Minecraft 1.21 — popular picks include Sculk Eye, Advanced Redstone Expansion, Biznesmod.
Updated daily

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
Advanced Redstone Expansion
Advanced Redstone Expansion adds sleek, survival-balanced redstone blocks, wireless quantum channels, configurable timers, smart filtering hoppers, and optional omni-directional redstone dust output.
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.
Player Detector
Redstone block that detects if a player is standing on it
Crystal Components
Crystal based Redstone components
POWERED
Revamps automation. Adds a ton of configurable & polished redstone components, allowing you to do more than ever before.
Redstone Ready Bundles
Allows bundles to interface with vanilla redstone components
Copper Buttons - New Redstone Buttons
⚡ Craft new copper buttons with adjustable times! The perfect redstone signal extender. ⏱️

Redslate
Use other stones, namely cobbled deepslate and blackstone, to craft redstone components like pistons and observers that usually can only be crafted with cobblestone.
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)
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.
monolith pistons
A lightweight Fabric mod that allows pistons to push and pull multiple blocks simultaneously, simplifying redstone mechanics.

More Redstone
More fully vanilla style redstone blocks that Mojang should add in Minecraft!
Regius Redstone
This mod adds redstone components that aim to make computational redstone easier.
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.
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 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 […]
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
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 […]
Purple Stone Mod (1.21.1, 1.20.1) – Turns Redstone Dust Purple
Redstone engineering is one of the most useful aspects of the game. By mining redstone ore, you obtain redstone dust, which can be used to craft a variety of different mechanical blocks. Using these, you can build anything from simple farms to large scale computers that run within Minecraft. Purple Stone Mod brings a fun little […]
Red Bits Mod (1.21.1, 1.20.1) – Improves Already Existing Vanilla Mechanics
Red Bits Mod allows you to create Redstone components and systems that you can customize for speed and ease of use. The mod is designed to allow for further miniaturization of Redstone contraptions and, in turn, make them faster, but it still allows for small setups if needed. It will enable you to create real-world […]
Nexus Reds Addon
A redstone and automation mod featuring a smart crop planter, sequential hoppers, and range upgrades to streamline your vanilla farms.
Lockable Shelves
Allows shelves to be locked by redstone signals. The signal to lock a slot is the same as the signal a comparator reads when an item is in the slot. Hotbar swapping now happens at redstone strength above 7.
Redstone Robot (Fabric/Forge/NeoForge/Quilt)
Redstone robots that recharge with redstone, can follow you, attack hostiles mobs with bows and a iron swords!
Create - World in Motion
A Create-focused modpack for Minecraft 1.21.11, centered on mechanical automation, moving contraptions, and creative factory building in survival.