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Minecraft Java 1.21 Mods

Browse 512 free mods for Minecraft Java 1.21 — popular picks include Spark Scatter, Magnetization, Create: Redstone Link Tablet.

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Spark Scatter
1.21.1

Spark Scatter

Redstone components release brief particle bursts when activated, creating visual feedback across the server.

4.4kdownloads
Magnetization
1.21.1neoforge

Magnetization

A Create: Aeronautics addon adding a full magnetism layer for Sable-driven contraptions: emitters that pull or push ships (electromagnets, anchors, tractor beams, repulsor coils, excavators), permanent and temporary magnets.

4.3kdownloads
Create: Redstone Link Tablet
1.21.1neoforge

Create: Redstone Link Tablet

A smart-home tablet for Create's Redstone Links — toggle named apps and multi-link groups from an app-style GUI.

4.2kdownloads
Digital Home: Private Dimension
1.21.1neoforge

Digital Home: Private Dimension

A private space in a Pocket Dimension

4.0kdownloads
Create: Lights & Controls
1.21.1neoforge

Create: Lights & Controls

More lights and wireless redstone switches that plug straight into Create's Redstone Link network

3.9kdownloads
Create Frequency
1.21.1neoforge

Create Frequency

Frequency waves and more!

3.8kdownloads
Create: Capsule Corp.
1.21.1neoforge

Create: Capsule Corp.

Capture, store, and redeploy Sable simulated contraptions using capsules.

3.8kdownloads
The Drill
1.21.8neoforge

The Drill

This mod add Drill to game

3.7kdownloads
Expanded Fuels
1.21.4neoforge

Expanded Fuels

This is a mod adding some solid fuel sources for machines and furnaces.

3.6kdownloads
Technolith
1.21.1neoforge

Technolith

Refined Redstone Technology That You Can Obtain By Exploring The Past

3.5kdownloads
Advanced Arsenal
1.21neoforge

Advanced Arsenal

Redstone-powered equipment that can be upgraded to suit your playstyle.

3.5kdownloads
AntiRedstoneLag
1.21.6

AntiRedstoneLag

prevents lag machine in server

3.4kdownloads
Create: Better Frequency
1.21.1neoforge

Create: Better Frequency

Create addon that lets you set Redstone Link frequencies by renaming frequency items or blocks. Matching now depends on both the item type and its custom name.

3.3kdownloads
Copper Wrenches
1.21.4

Copper Wrenches

Craft copper wrenches to rotate blocks and redstone components

3.3kdownloads
SG Tracks
1.21.1neoforge

SG Tracks

SG Tracks adds tracks that work like regular wheels for Create Aeronautics. You don't need any extra mounting blocks — just place the tracks directly on your machine and build your contraption.

3.2kdownloads
[ARCHIVE] Simple Transport Pads [Forge/NeoForge]
1.21.1neoforge

[ARCHIVE] Simple Transport Pads [Forge/NeoForge]

Adds Transport Pads which allow you to set a destination and easily teleport yourself or mobs and items

3.2kdownloads
PowerStones
1.21.11neoforge

PowerStones

Overlapping wires of Redstone, Bluestone, Greenstone and Yellowstone

3.2kdownloads
ExtendedItemTransport
1.21.8neoforge

ExtendedItemTransport

additional Hopper, automatic Crafting, extended dropper, Item teleporter

3.2kdownloads
Tracegates
1.21.1neoforge

Tracegates

This mod adds logic gates like the ones from Virtual Circuit Board.

3.1kdownloads
Redstone Additions
1.21.9

Redstone Additions

Best redstone&tech datapack, Super optimized, 55+ blocks (Block breaker, block placer, filters, conveyors, item pipes, breeder, generators, gates, chunk loader, wireless redstone, multiblocks, jetpacks and so much more ! )

3.1kdownloads
Pulsetech
1.21.1neoforge

Pulsetech

A tech mod based on sending information with pulsed Redstone

3.0kdownloads
Temporal Disjunction
1.21.11fabric

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.

3.0kdownloads
Moar Redstone
1.21.9

Moar Redstone

The Moar Redstone datapack adds a bunch of new Redstone devices to the game, from wireless Redstone to configurable timers in a single block.

3.0kdownloads
Create: Interval Filter
1.21.1neoforge

Create: Interval Filter

Adds a filter for deployers on contraptions that places items or blocks at set distance intervals

3.0kdownloads
create aeronautics (update) modpack
1.21.1neoforge

create aeronautics (update) modpack

(update)A Create modpack with Create Aeronautics, focused on automation, machines and flying contraptions.

2.9kdownloads
Circuitry & Magic
1.21.1neoforge

Circuitry & Magic

Combines Redstone mechanics with the art of enchantment and adds unique synergy between the realms of magic and technology.

2.8kdownloads
Tanglr
1.21.1neoforge

Tanglr

A time-tangling time-travel based redstone mod

2.8kdownloads
Create Aeronautics Addon: Plough & Roll!
1.21.1neoforge

Create Aeronautics Addon: Plough & Roll!

An Addon for Create Aeronautics that adds functionality to the Mechanical Plough and Mechanical Roller on Simulated Sable Contraptions.

2.7kdownloads
Create: Strict Links
1.21.1neoforge

Create: Strict Links

Makes Create Redstone Link frequencies respect data components (NBT), for more frequency diversity and even password protection via named items or written books.

2.6kdownloads
Create: SatisFactory
1.21.1neoforge

Create: SatisFactory

Master the art of automation with a high-performance modpack. Featuring Create Aeronautics, this pack transforms your machines into dynamic physical contraptions with real-world momentum and interaction. No bloat, just pure engineering.

2.6kdownloads
自动化时代 AutomationEra
1.21.11fabric

自动化时代 AutomationEra

Add multiple advancements about automation farms & redstone machines

2.6kdownloads
Unusual Adventures
1.21.1neoforge

Unusual Adventures

🖥️ Program with Computers and explore Digital Landscapes

2.5kdownloads
Redstone Lectern
1.21.11forge

Redstone Lectern

Optimized for Redstone: with a permanently attached 15 page book, visible page numbers, and click to turn pages

2.5kdownloads
In Game Calculator
1.21.11fabric

In Game Calculator

Adds a /calculator command to Minecraft for quick in-game math. Supports basic operations, parentheses, crafting math, coordinate conversions, hopper timers, geometry, time conversions, and random number generation — perfect for builders, redstone engineer

2.5kdownloads
Get Creative
1.21.1neoforge

Get Creative

Create Addon: Configuration to force players to get creative making contraptions, plus some new content

2.5kdownloads
TrollCraft - Because Who Needs Friends, Anyway?
1.21.8neoforge

TrollCraft - Because Who Needs Friends, Anyway?

TrollCraft adds prank blocks like Ghost Blocks you can fall through, Spreading Cobblestone that turns into magma, exploding doors, and more. Perfect for tricking your friends! Chaos guaranteed!

2.4kdownloads