Minecraft Java 1.21 Mods
Browse 208 free mods for Minecraft Java 1.21 — popular picks include True-Rails, Skybound Chronicles, SerialCraft.
Updated daily
True-Rails
Turn the original railway into a true transportation system. Pure gameplay mod: train composition, high-speed cruising, curve safety, precise stopping, redstone departure, and intelligent unmanned freight block loading. No new items, blocks, or entities ad
Skybound Chronicles
A private modpack for me and my friends, built around Create and Create: Aeronautics at its core — featuring airships, mechanical contraptions, and a handpicked selection of mods for an immersive experience.
SerialCraft
Bring Redstone to life! A simple mod to connect Arduino and Minecraft via serial port. No complications, just plug and play.
Redwork
Redstone automation mod
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.
Peaceful Silverfish
Peaceful Silverfish lets silverfish spawn from vanilla infested stone even on Peaceful. Great for Create farms and contraptions, but works perfect in vanilla too. Includes an option to mute silverfish sounds so your base stays quiet.
Contraptions o' Plenty
A Minecraft Datapack that adds in (5) Brand New redstone components!
RegexRails
Add redstone logic for your detector rails. Compare minecart names, change them, and add to them.
SimpleChunks
An easy-to-use chunkloader with a modern GUI, teleport system, and secure permission management — ideal for farms, redstone, and automated systems.
Artisanal Blocks
A mod that allows the customization of a block "per blockface". Additional features include light level configuration, toggleable passibility, and redstone control!
More Recipes: Redstone Ore Fix
Fixes the category Redstone Ore appears in the recipe book (MC-144900).
3D Pistons
This resource pack enhances pistons with detailed 3D models to make redstone components look more mechanical and immersive while keeping the classic Minecraft style.
Observer Torcher
This mod allows redstone torches and comparators to react to observer pulses
DoubleDoors Beta
A lightweight Paper plugin that makes adjacent doors open and close together, no redstone required.
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.
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
Hot Redstone Wires
Wires get hot! Makes redstone dust and blocks painful to step on.
Places-sable compat
This mod allows for sable contraptions to be created in the places dimention, by changing the dimentions physical world height to be taller. requires the places mod
redstone-structure-block
A Fabric mod that allows saving structures to disk (permanent storage) instead of memory when triggering structure blocks with redstone.
NoRedstone
Disable redstone components in specific worlds
Enhanced Spawners: Chambers of Control
Enhanced Spawners: Chambers of Control lets players upgrade and customize mob spawners using survival items, with full redstone control and spawn egg integration — all without commands or GUIs. Designed for clean, technical mob farms and dungeon systems.
Keep My Creak
A datapack for your creaking-using redstone contraptions
Player Detector
Redstone block that detects if a player is standing on it
Create: Salvage Continued
An unofficial continuation of Create: Salvage. Use Create contraptions to melt unwanted tools back into resources.
Lazy Redstone
Turn redstone contraptions into single blocks.
Redstone Lamp Link
A Plugin to Control a Redstone Lamp with a Button without a Redstone Wire
Redstone Counter
Counts redstone components within a chunk, configurable Blocks in Config. Compares against a maximum allowed number.
AstraRedstoneSystems
A modern and fast plugin for advanced redstone logic systems🌌⚡️
POWERED
Revamps automation. Adds a ton of configurable & polished redstone components, allowing you to do more than ever before.
Transparent Slime Blocks
This texture pack makes only slime blocks transparent so it would be easier to build some redstone mechanisms this is my first texture pack so open for suggestions
Crystal Components
Crystal based Redstone components
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. ⏱️
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.
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)