Minecraft Java 1.21 Mods
Browse 514 free mods for Minecraft Java 1.21 — popular picks include Create: Redstone Tweaks, Emerald Rails, Performance Optimization Patch.
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Create: Redstone Tweaks
This Create addon adds the ability to control the Frogport using redstone.
Emerald Rails
A redstone-powered Emerald Rail for Fabric that boosts minecarts 15x faster than powered rails.
Performance Optimization Patch
A performance optimization patch bundle, suitable for all vanilla survival players and redstone players.
Noodlemancy
Builds upon the existing Minecraft magic systems with new redstone components, blocks, items, enchantments, and potions.
Better crafter
Adds a Smart Crafter block that automates crafting with recipe locking patterns and intelligent inventory management for redstone systems.
Gateways
A vanilla-esque teleport pad mod for both blocks and entities with redstone compatibility
Сreate:Connected Vessel compat fix
Compatibility hotfix for a server crash caused by Create: Connected Fluid Vessels on Create contraptions hen Destroy included into modpack.
ProxyPlayer
Powerful player simulation for Paper 1.21.11. Spawn persistent proxies to load chunks, run farms, and test redstone without extra accounts.
QuasiDusting
This Fabric mod modifies Minecraft's quasi-connectivity (QC) behavior, making it directional and toggleable by using redstone on a QC affected block
Create: Throwrope
Throw a rope to dock your contraptions!
Create: Signalworks
Create: Signalworks is a small Create addon for building more varied redstone control systems.
Crops growth detector
Enhance your farms with the new crops growth detector, a machine that outputs a redstone signal depending on the crops age.
Create: APU
Adds a dedicated APU (Auxiliary Power Unit) for engine cold starts and mid flight power loss. Activated with redstone and powered by coal, no need for handcranking.
UltClearLagg
Advanced lag reduction, automatic cleanup systems, mob optimization, TPS monitoring, smart entity management, redstone lag prevention, Bedrock GUI support, and real-time server performance tools.
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).
Gravity Core Block
The Gravity Core Block is a redstone-powered device that creates an 8-block radius anti-gravity field
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.
Redstone Timer
A simple Redstone Timer block for Minecraft, made to control redstone signals with a customizable delay.
Elektrofy
A lightweight GUI resource pack designed with a redstone and energy aesthetic, perfect for tech-themed builds or mods.
Create Physics Staff
This mod introduces a Remote Physics Staff that allows you to transform structures into fully physical contraptions from afar and seamlessly restore them back into blocks.
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.
McCastle's To the Skys!
Create Aeronautics holds a whole new way to apply amazing physics to your contraptions and world. To the Sky! is a mod pack that is centered around create aeronautics with a few additional mods to add to the experience for us nerds who love to tinker.
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.
Lagmanager
This plugin monitors redstone entity lag and keeps your TPS high through optimization ideal for server admins.
RGBCraft
Programmable RGB strips, panels, controllers and networks for NeoForge, with animated effects, redstone control, CC:Tweaked support and optional colored lighting.
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
Create:SoftMotion
This mod is a client-side accessibility addon that slows down the visual rotation of Create machinery and contraptions for players with visual hypersensitivity.
Hot Redstone Wires
Wires get hot! Makes redstone dust and blocks painful to step on.
NoRedstone
Disable redstone components in specific worlds
msp
Realistic orbital physics, rocket engineering, and space program progression for Minecraft. Build Create contraptions, launch them with real gravity/drag/re-entry, do science, unlock tech via FTB Quests.