Minecraft Java 1.21 Mods
Browse 201 free mods for Minecraft Java 1.21 — popular picks include Compact Machines, Snad: Redstone Edition, Grappling Hook Mod: Skybound.
Updated daily
Compact Machines
Adds one simple game mechanic: Small rooms inside of blocks. It basically gives you the ability to build your contraptions inside of a single block.
Snad: Redstone Edition
Brings back the Snad Redstone Mechanics !
Grappling Hook Mod: Skybound
Grapple onto Create contraptions, Sable airships, and everything in between. Classic grappling hook physics, modernized for Fabric & NeoForge 1.21.1+
Additional Redstone
additional redstone mechanics like logic gates and more
Create: Movable Tracks
An addon that allows train tracks to move with mechanical contraptions, enabling dynamic rail systems, movable bridges, and advanced Create-style train builds.
Plenty Plates
Many new pressure plates for all your redstone needs. Greatly customizable!

Redstone Sound Slider
Adjust your piston / dispenser / trapdoor / buildstone volume separately from other blocks.
Reden
Undo & Redo | Ctrl+Z | Mineacrft Debugger | Redstone Version Control | Any amazing features you can image!!!
CC: Redstone Link Bridge
This mod connects Create Redstone Link networks with CC:Tweaked computers.
Create: Northstar-Aeronautics Compatibility
This mod adds a block named Dimensional Drive which, when attached on a physics object, has a GUI to select a destination planet form Create: Northstar. It teleports the physics contraption and the player on the selected planet. No crafting recipie yet.
Aero-Reformation
Added a SubLevel-adapted chunk loader for Aeronautics, several useful changes, and new blocks, such as a chair that outputs redstone signals based on the player's view angle.
Dashpanels
A mod adding modular control panels for redstone control.
Create: Salvage
Use Create contraptions to melt unwanted tools back into resources.
Redstone Beacon Base [PurpurPack]
Allows you to use redstone blocks as a block in a beacon base
Dyestone
Adds new dyed redstone for colorizing your mechanisms!
AntiRedstoneClock-Remastered
AntiRedstoneClock-Remastered is a Minecraft plugin designed for Paper servers. Its main job is to detect redstone clocks running in the world, alert staff (or the console), and optionally disable or destroy those clocks.

JoaCarpet
A small carpet extension mod with useful features for redstone and storage tech (+some minor survival tweaks)
Schematician's Goggles
The world becomes a contraption diagram with an in-world physics overlay, gated behind a wearable item. For Create: Aeronautics.
Redstone Crusaders TURBO !
A Jojo's Bizarre Adventure mod. Starring Stands with pushed combat and combo potential !
Electromechanics
An addition to the existing Redstone ecosystem mechanically and electrically
Redstone Helper
Mod which must you to help with redstone!
Create: Enhanced Iron Processing
This is a datapack that adds a custom mixing recipe to produce crimsite renewably to enhance your iron and redstone farms.
Networks
Redstone-Free Automatic Storage Systems, Vanilla-integrated
Aeronautics Replay
Adds ReForgedPlay support for Aeronautics ships and contraption
Amarong
Adds a new material called Amarong, handheld "rubber" ducks, kaleidoscopes, and rainbow beacons with no redstone required
SceneBlocks for Cobblemon
Cobblemon utility blocks inspired by our beloved classic mechanics, adding Cut, Rock Smash, Strength, Flash, fog areas, pushable boulders, gates, receivers, and puzzle systems.
Redstone Signal Visualizer
A mod that lets you visualize redstone signals with neat numbers.
Create: Warnautics
Create Big Cannons add-on with redstone-launched aerial bombs, multi-bomb cassettes, sea bombs, land mines, cinematic blast effects, and optional Sable ship destruction.
CraftBook
CraftBook lets you create magically extending bridges, compact Redstone circuits, complex Minecart mechanics, and much more... — all without a client mod and fully customizable by the server.
Redstone Power Enhanced
Redstone Power Enhanced is a mod that aims to enhance the creative experience in minecraft with new redstone blocks.
Laseredstone
Redstone but we use lasers to transfer signals
Create: Portal Integration
Add portal support to cart contraption, coupled cart, and compatibility with other portal mods.
AutoFarm-Mod
automatic farming for minecraft 1.21.4-1.21.8
VistaQuality
An addon for Vista that adds dynamic control over how strong the CRT effect is. Just add redstone!
CCCCC
ComputerCraft Create Contraption Compatibility
Create: Capsule Corp.
Capture, store, and redeploy Sable simulated contraptions using capsules.