Minecraft Java 1.21 Mods
Browse 32 free mods for Minecraft Java 1.21 — popular picks include More Music Discs [Fabric/Forge/NeoForge], Holographic Renderers, Create Train.
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More Music Discs [Fabric/Forge/NeoForge]
Adds more music discs
Holographic Renderers
Projects hologram of images, areas, entities, etc.
Create Train
Main about Create and its trains,better player models and the maids,those who like above will definitely want to download it! WARNING:don't let the Maids drive the Trains(or the other Contraptions), there may be unforeseen problems! BUT NOT ONLY THEAE.
Bacteriums
Bacterium Mod For Fabric and Forge
AngleSnap
Save and snap to precise angles and camera positions, useful for redstone contraptions using Magic Mirror technology.
Ghost Gear
Go on your own paranormal adventure using ghost gear!
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.
像素城_魔法核心整合包【PixelCity_MagicCore Modpack】
《像素城》魔法核心整合包(1.21.11版),专注生存红石工程。为自动化系统、多人性能优化及技术向Minecraft玩法量身打造。PixelCity MagicCore Modpack (1.21.11) for Survival Redstone Engineering. Optimized for automation systems, multiplayer performance, and technical Minecraft gameplay.
Laseredstone
Redstone but we use lasers to transfer signals
Super Trims
A mod focused around providing a deeper endgame progression utilizing armor trims.
Digital Home: Private Dimension
A private space in a Pocket Dimension
Technolith
Refined Redstone Technology That You Can Obtain By Exploring The Past
[ARCHIVE] Simple Transport Pads [Forge/NeoForge]
Adds Transport Pads which allow you to set a destination and easily teleport yourself or mobs and items
Temporal Disjunction
Temporal Disjunction is a Minecraft mod that lets you manipulate time within specific regions — freeze, rewind, accelerate, or slow it — giving you godlike control over the flow of time in your world.
Circuitry & Magic
Combines Redstone mechanics with the art of enchantment and adds unique synergy between the realms of magic and technology.
Personatour's "Super-Powered"
A Complete and Regularly Updated Mod that adds 16 Super Powered Movesets based on your favorite games, movies, and media.
NeoCBadd/CB Redstone Expansion
It has added some enchantments some weapons and something of Wireless redstone
2Gather [Aeronautics]
A Create-focused modpack with advanced redstone logic using More Red, magic through Ars Nouveau and Apotheosis, engineering, automation, airships, exploration, and carefully selected mods for a polished, high-performance experience.

Whitestone Mod
Added "Whitestone" electric system similar to Redstone, but removed the delay, and let the signal can transform vertically. And added a few bugs! Note: Developer misspell 'transmitter' into 'transformer'. This bug is already fixed in 0.3.0.
红石生电冒险优化[Redstone Power Adventure Optimization]
融合了多种优质模组与资源包,让玩家更容易上手mc,另外增加了红石生电优化,增加其实用性,以及游玩体验.(It integrates multiple high-quality mods and resource packs, making it easier for players to get started with MC. Additionally, it has optimized the generation of redstone electricity, enhancing it)
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 Cracking Contraptions 5: Aeronautics
A Create Mod focused Modpack designed for the Create Cracking Contraptions SMP
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.
Noodlemancy
Builds upon the existing Minecraft magic systems with new redstone components, blocks, items, enchantments, and potions.
Gateways
A vanilla-esque teleport pad mod for both blocks and entities with redstone compatibility
EzBucket
EzBuckets make buckets extract more water like a sponge and to trigger, it needs a redstone torch
Thavma Mod (1.21.1) – Re-Imagination Of Thaumcraft
Thavma Mod introduces elemental forces and arcane machines. Inspired by primal energy and mysticism, it offers a progression system where you uncover hidden knowledge, manipulate nature’s elements, and reshape the world with magical devices. Features: Elemental magic system. Arcane machines and contraptions. Discovery and research mechanics. Nature manipulation through primal forces. Screenshots: Crafting Recipes: Thavma […]
Ars Creo Mod (1.21.1, 1.20.1) – Build Magic-Powered Factories
Ars Creo Mod adds new blocks and behaviors that combine the magic of Ars Nouveau with the technology of Create. This addon allows you to integrate magical elements directly into your automated machines and contraptions. Features: Adds the Starbuncle Wheel, which generates Stress Units (SU) from starbuncle energy. Lets you place Spell Turrets on your […]
Not enough tnt
Many different TNTs to destroy your world.
Calibrated Spawners Expanded
A mod that let you calibrate and customize mob spawners.
Hexforged Artifices Mod (1.21.1) – Automate Your Base with Glowing Magic
Hexforged Artifices Mod replaces normal pipes and cables with glowing magic energy networks. It adds new ways to move items around your base using floating rings and magic beams. You can build big factory setups that run on special magic power instead of redstone. The mod gives you early-game machines to start your journey and […]
Mystical Automation Mod (26.1.2, 1.21.1) – Automate Magical Crop Farms Without
Mystical Automation Mod adds new automation machines for Mystical Agriculture. It gives you special blocks that handle the hard work of growing, harvesting, and crafting magical crops. You no longer need to build complicated redstone machines to collect your essences. This mod does all the heavy lifting in just a few simple blocks so you […]