Minecraft Java 1.21 Mods
Browse 514 free mods for Minecraft Java 1.21 — popular picks include Block Breakers (Pickaxe Block), RedstoneReboot, Ethereal Reborn.
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Block Breakers (Pickaxe Block)
This vanilla friendly datapack adds the Block Breaker, a new redstone block!
RedstoneReboot
Advanced Multi-Platform Minecraft Server Restart Engine - Bukkit, Paper, Spigot, Folia, Fabric, Forge, NeoForge.
Ethereal Reborn
Ethereal is a modpack that reimagines Minecraft as a boundless fantasy world. From vast enchanted biomes to roaring brass contraptions, wonder thrives.
Create: Red Button
Adds a wireless Redstone button that can be used in the world and linked to Redstone Links.
Simple Andesite
Adds craftable hammers that let you convert cobblestone into andesite, including an ultimate unbreakable version powered by Nether Star and redstone.
Warvior CC:Sable wired fix
Warvior CC: Sable Wired Fix is a small compatibility mod for Sable and CC. It fixes modem and wired-network issues on moving contraptions and ships.
Crafty Hands
Craft Right and Left Gloves and place them in Dispensers to simulate right and left clicks.
Create: Building Dimension
A dedicated creative-mode dimension for testing Sable/Create Aeronautics contraptions in survival — build, light a portal, test freely, and come back with nothing lost.
Create: Var Tag
A Create addon that allows string names for the redstone links
Wietse's Create Additions
Brass Redstone Links and more!
Neon Light
A simple mod that adds a singular block featuring 17 color variants, the Neon Sign! A glowing modular block suitable for large sign creation and displaying both letters and symbols in large glowing letters. Decorate your builds or server with custom signs!
Waystone Contraption Compat
Put Waystones on Contraptions. And let them move along your contraption
Saccharine Leaves Fix Cobblemon
This mod tends to fix the issue where Observers don't detect the leaves state changing and also fix dispensers not being able to use bottles on the leaves to get honey. Which when it does gather honey it spits it out rather than keeping it in the Dispenser
Arcforge
Arcforge is a bold modpack blending magic and mechanics, ancient and advanced. Whether mastering magic, engineering redstone, exploring new dimensions, or building grand cities—Arcforge gives you the tools to forge your path.
Create Terrible Creations
A Create modpack centered around making your most... creative... contraptions!
[Archived] Magnetizing
Adds items and blocks based around magnets
Contraptionable Rails
Allows Create tracks to be assembled to Create mod Contraptions such as bearings, trains, and other moving objects.
WDAB Better Grindstone
An enhanced grindstone with redstone signals, hopper support, and automation-friendly behavior.
Eshan's Missiles
Introducing Eshan's Missile Mod! You build multi-block missiles from blocks, set a target, and launch them. Flight is physics-based!
Signals by DCtime
Make redstone signals useful
Logical Torches
This mod makes torches in vanilla Minecraft more logical
Cobbromon
This modpack blends the creature-collecting adventure of Cobblemon with the mechanical creativity of Create. Explore the world, build clever contraptions, and grow your team—all in a seamless mix of exploration and engineering.
Matt's Fat Pack
Explore mystical dimensions, conquer legendary bosses, and engineer impossible contraptions.
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

EZWireless
A simple, lightweight wireless redstone mod.
SpatialAudioSystem
A BelugaLab audio mod built on Manta, playing your own MP3, WAV, and OGG files in-game over a 3D range you define, with playlists and redstone triggers.
Lodestone Redstone
Adds wireless redstone using levers, lodestones and compasses!
Create: FlyByWire
Design, build, and automate your own flying contraptions.

Redstone Capacitor
Adds a Redstone component inspired by capacitors
Redstone Frequencies
Wireless Redstone with a clean and simple Frequency method
Simple Wireless Redstone
Make redstone easier by making it wireless.
Create: Logic
Safe scripting language for Create automation, instead of redstone.
Wireless Redstone Plugin
Adds wireless redstone to cross long distances easily
Cobalt of Imagination
Push and pull blocks with redstone. Cobalt Imagination comes with a whole variety of blocks and items.
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.
Simply Redstonized
A performance-focused redstone modpack made with my favorite mods and resource packs.