HomeJava1.21

Minecraft Java 1.21 Mods

Browse 35 free mods for Minecraft Java 1.21 — popular picks include Tiny Mob Farm Remastered, Fake Player, Create: Towed.

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Tiny Mob Farm Remastered
1.21.11neoforge

Tiny Mob Farm Remastered

Single-block size mob farms that makes mob farming neater and easier.

369kdownloads
Fake Player
1.20.1forge

Fake Player

Adds fake player entities with auto-updating skins and item functionality.

170kdownloads
Create: Towed
1.21.1neoforge

Create: Towed

Tether animals and mobs to Simulated (Create Aeronautics) contraptions using physics-simulated ropes

131kdownloads
[SUC]Surival Useful Circuit生电全家桶
1.21.10fabric

[SUC]Surival Useful Circuit生电全家桶

生电全家桶 An advanced Minecraft survival redstone and automation modpack featuring Carpet and Masa mods.

120kdownloads
Scorched Guns Neoforged
1.21.1neoforge

Scorched Guns Neoforged

An unofficial NeoForge 1.21.1 port of Scorched Guns 2, focused on preserving the original mod’s firearms, structures, mobs, machines, turrets, and ExoSuit gameplay on a newer Minecraft version.

62kdownloads
AsguhoServer
1.21.4fabric

AsguhoServer

Simply a really optimized server with the tools you need to build awesome contraptions. This modpack include mods such as carpet, syncmatica etc.

30kdownloads
Poppy Playtime Chapter 5
1.20.1forge

Poppy Playtime Chapter 5

My Poppy Playtime mod adds the Prototype, electric batteries, and a redstone-style power system. It includes the Doctor Computer, Poppy Gel, the Pressure Hand, and a Conductive Hand to solve puzzles and power machines.

8.8kdownloads
TFCtrough
1.21.1neoforge

TFCtrough

A simple animal feeding trough mod for TerraFirmaCraft.

6.3kdownloads
All Of Utility 2
1.21.11fabric

All Of Utility 2

Redstone tech, carpet+addons, exploration, visual, QOL, building tools.

6.2kdownloads
ShieldGrid - Create Aeronautics & Big Cannons Compat
1.21.1neoforge

ShieldGrid - Create Aeronautics & Big Cannons Compat

ShieldGrid protects your base, ships, and Create Aeronautics contraptions with energy shields that block arrows, mobs, and explosions.

4.6kdownloads
[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
Redstone Robot
1.21.5

Redstone Robot

Redstone robots that recharge with redstone, can follow you, attack hostiles mobs with bows and a iron swords!

2.0kdownloads
Mob Dispencers 🐸
1.21.8fabric

Mob Dispencers 🐸

Expand Mob Farming With Mob Dispencers. Redstone Ready? (77 Mob Dispencers)

1.7kdownloads
Dungeon Asault
1.21.1neoforge

Dungeon Asault

Is a mod complementary, That added news ores, tecnology, flood, MOBS and new adventuers

1.7kdownloads
[ON HOLD] Map Makey
1.21.1neoforge

[ON HOLD] Map Makey

A mod that adds a ton of creative mode only features to make custom minecraft maps

981downloads
Cobbromon
1.21.1neoforge

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.

435downloads
UltClearLagg
1.21

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.

207downloads
Peaceful Silverfish
1.21.1neoforge

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.

151downloads
Sculk Eye
1.21.11fabric

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

147downloads
Biznesmod
1.21.8fabric

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.

129downloads
Player Detector
1.21.11fabric

Player Detector

Redstone block that detects if a player is standing on it

114downloads
BioLock Scanner
1.21.1neoforge

BioLock Scanner

BioLock Scanner is a NeoForge 1.21.1 Minecraft mod that adds a player-only redstone scanner for secure doors, bases, and automation builds. It can be mounted on floors or walls, has a configurable detection radius, and prevents mobs from triggering

62downloads
RedstoneSpawnersReloaded
1.21

RedstoneSpawnersReloaded

RedstoneSpawnersReloaded is a very simple plugin which makes Mob Spawners toggleable via a redstone signal.

51downloads
Carpet Mod (1.21.11, 1.20.1) – Game Performance Monitoring
1.21.11fabric

Carpet Mod (1.21.11, 1.20.1) – Game Performance Monitoring

Carpet Mod is a popular modification for Minecraft that enhances the game by providing advanced tools for monitoring, controlling, and optimizing gameplay. It is particularly favored by technical players and server administrators. It provides many tools, commands and special capabilities that extend vanilla Minecraft-especially useful for technical players, redstone engineers, farms, and automation. Features: Tools […]

Masa Gadget Mod (1.21.5, 1.20.1) – Elevating The Minecraft Experience Further
1.21.5fabric

Masa Gadget Mod (1.21.5, 1.20.1) – Elevating The Minecraft Experience Further

Masa Gadget Mod introduces a powerful all-in-one tool designed to assist players with building, automation, and general gameplay. Whether you're placing blocks, interacting with entities, or streamlining repetitive tasks, this mod provides a flexible and efficient solution. Features: Functions for building, redstone, and automation. Adjust settings to fit your needs. Simplifies complex tasks with intuitive […]

Literally Chunk Loader Mod (1.21.4, 1.20.1) – Simplifying Minecraft Automation
1.21.4fabric

Literally Chunk Loader Mod (1.21.4, 1.20.1) – Simplifying Minecraft Automation

Literally Chunk Loader Mod ensures that specific chunks stay active even when you are far away, allowing processes like redstone mechanisms and mob farms to continue functioning. Features: Vanilla Friendly: Seamlessly integrates with the vanilla Minecraft experience. Simplicity: Easy to use with no complex setups. Just place a block in the desired chunk. Utility: Keeps […]

Litematica Printer Easyplace Extension Mod (1.21.1, 1.20.1) – Redstone-Aware Fast Block Auto Placement
1.21.1fabric

Litematica Printer Easyplace Extension Mod (1.21.1, 1.20.1) – Redstone-Aware Fast Block Auto Placement

Litematica Printer Easyplace Extension Mod provides a redstone-aware fast block auto placement system built on top of Litematica’s EasyPlace. It supports directional blocks, accurate placement protocols and various automation utilities for technical builds. Features: How It Works Supports directional block placement on vanilla servers using Fake Rotation. Can use accurateBlockPlacement with carpet-extra on the server […]

The Copper Golem!
1.21.1neoforge

The Copper Golem!

A minecraft mod that adds a brand new mob from the mob vote: The Copper Golem! Just like it was presented in the show, this mob will randomly press copper buttons, that has been added to the game too|

6.5kdownloads
Calibrated Spawners Expanded
1.21.11fabric

Calibrated Spawners Expanded

A mod that let you calibrate and customize mob spawners.

4.4kdownloads
Redstone Robot (Fabric/Forge/NeoForge/Quilt)
1.21.5fabric

Redstone Robot (Fabric/Forge/NeoForge/Quilt)

Redstone robots that recharge with redstone, can follow you, attack hostiles mobs with bows and a iron swords!

3.5kdownloads
Better Create Aeronautics With Create Addons & Improvements Modpack (1.21.1) – Build And Fly Custom Aircraft
1.21.1

Better Create Aeronautics With Create Addons & Improvements Modpack (1.21.1) – Build And Fly Custom Aircraft

Better Create Aeronautics With Create Addons & Improvements Modpack expands engineering gameplay with flight controls, engine upgrades, and aerial travel across a lively world. You can build massive automated factories, assemble custom flying ships with gyroscopes and thrusters, and explore new biomes filled with animals and structures. It brings together handy quality-of-life tools, dynamic contraptions, […]

CC Optical Mod (1.21.1) – Aim Cannons and Track Enemy Airships with Lua Code
1.21.1

CC Optical Mod (1.21.1) – Aim Cannons and Track Enemy Airships with Lua Code

CC Optical Mod adds sensor and cannon control peripherals for CC:Tweaked and Create Big Cannons. This mod gives you new blocks to detect mobs, track airships across long distances, and aim heavy cannons with Lua code. It works with moving contraptions and airship systems so you can build automated defense stations and smart turrets. Features: […]

Create Twistermill VS Sable Mod (1.21.1, 1.20.1) – Power Flying Airships
1.21.1

Create Twistermill VS Sable Mod (1.21.1, 1.20.1) – Power Flying Airships

Create Twistermill VS Sable Mod extends Create and Sable by turning simulated wind into rotational power. It connects wind physics from weather mods directly to moving ship contraptions and sublevel machines. The mod automatically detects installed systems like Weather2 or ProtoManly's Weather to generate kinetic force. Players can build wind-aligned turbines on mobile hulls and […]

Create Automatics Mod (1.21.1) – Build Self-Driving Contraptions
1.21.1

Create Automatics Mod (1.21.1) – Build Self-Driving Contraptions

Create Automatics Mod adds autopilot systems for Create and Sable contraptions. This mod lets you plot custom driving routes, set movement speeds, and command assembled vehicles to drive themselves. You can also place decorative traffic cones on the ground, wear them as hats, or shoot them onto mobs using dispensers. Features: Build automated paths for […]

Essentials Mod (1.21.11, 1.20.1) – Automate Various Areas of The Game
1.21.11

Essentials Mod (1.21.11, 1.20.1) – Automate Various Areas of The Game

Essentials Mod is a mod that focuses on providing new items and blocks designed to increase the versatility of Redstone systems and automate processes in farming, creature farms, and mineral resource processing. Let's see what this mod offers. The mod will allow us to craft a new set of interesting blocks and items. For example, […]