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Minecraft Java 1.21 Mods

Browse 3,303 free mods for Minecraft Java 1.21 — popular picks include CraftSense, Cybernetic System, Redstone Sound Slider.

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CraftSense
1.21.9fabric

CraftSense

A Minecraft mod that suggests crafting recipes based on what you’ve crafted before, letting you quickly craft items with one click or a keybind.

57kdownloads
Cybernetic System
1.21.1neoforge

Cybernetic System

An industrial mod in the style of the "future", which allows you to improve your genes, create implants and even create weapons. You can become a cyborg and improve yourself in different ways and use your abilities for Energy.

56kdownloads
Redstone Sound Slider
1.21.11fabric

Redstone Sound Slider

Adjust your piston / dispenser / trapdoor / buildstone volume separately from other blocks.

55kdownloads
Create Aeronautic
1.21.1neoforge

Create Aeronautic

This is a Minecraft 1.21.1 NeoForge pack centered on the Create mod and Aeronautics for advanced mechanical automation and airships. It is heavily optimized for visuals and performance using Distant Horizons, Sodium, and the EMI utility suite..

55kdownloads
Create: Sandpapers
1.21.1neoforge

Create: Sandpapers

Create: Sandpapers expands automation by adding new kinds of sandpaper and helpful recipes.

53kdownloads
ByteBuddies
1.20.1forge

ByteBuddies

Meet the ByteBuddies, your loyal mechanical helpers built to make life easier and more fun. Whether you’re farming, mining, hauling loot, or need a defense detail, there’s a Buddy for every job.

52kdownloads
DonateCase
1.16

DonateCase

Donate cases for your server Minecraft

52kdownloads
Immersive Portal Gun for Forge
1.21.1neoforge

Immersive Portal Gun for Forge

Port of Immersive Portal Gun for Forge

50kdownloads
Cobblemon Fossil Hybrids!
24w12a

Cobblemon Fossil Hybrids!

A addon that lets you create your own cobblemon hybrids!

48kdownloads
Expression: Core
1.21.1neoforge

Expression: Core

Expression adds hrt, decor, and new mechanics to the game!

48kdownloads
Nearby Crafting
1.21.11fabric

Nearby Crafting

Allows crafting to access nearby chests or other containers, because that's how it should be!

48kdownloads
Create: Linear Bearing
1.21.1neoforge

Create: Linear Bearing

This mod adds a working linear bearing for Create Aeronautics.

47kdownloads
The Expansion
1.21.11

The Expansion

Explore Space In Minecraft! Now with Spacesuits!

47kdownloads
Better Experience of Confluence
1.21.1neoforge

Better Experience of Confluence

Provide auto fishing machine, more block breaking tool and infinite item comsuming.

46kdownloads
Piglin Conservatory v3.0
1.21.11fabric

Piglin Conservatory v3.0

Adds a news structure to the Nether, The Piglin Conservatory, along with a new Obsidian Apple, Dragon Fruit, Toxic Mushrooms, Hoglins' Fossils, Corrupted Emerald and a New Music Discs!

45kdownloads
Create: Old Infrastructure
1.21.1neoforge

Create: Old Infrastructure

an addon create that adds decorative blocks, levers, electric lamps and lanterns and signal code, I'm being precise but it's an alpha, practically none of the blocks are craftable and some don't work at the moment. the project work in progress

44kdownloads
Stackable Totems
1.21.9

Stackable Totems

Totems now stack up to 64

44kdownloads
Open Inventory
1.16

Open Inventory

OpenInv is a powerful Minecraft admin plugin that lets staff view and edit player inventories and ender chests using /inv commands, featuring a modern GUI, database-backed inventory snapshots, rollback support, and multiple Minecraft version support.

44kdownloads
SimpleClaimSystem
1.18

SimpleClaimSystem

Full claim system for Minecraft servers. Fully configurable and many plugins supported.

42kdownloads
The Boys
1.21.1neoforge

The Boys

This mod allows you to become one of the characters from the Boys universe, like Homelander, Train A or Transparent.

42kdownloads
Aeronautics: simulated copycats
1.21.1neoforge

Aeronautics: simulated copycats

Create copycats with different physical properties for create aeronautics

41kdownloads
Cobblemon x Generations (Generations-Core)
1.21.1fabric

Cobblemon x Generations (Generations-Core)

Generations is a massive sidemod crafted for Cobblemon, we enhance your experience by replacing blocky models with game-like Pokemon models, add thousands of blocks & items, and tons of new features.

40kdownloads
Mace_PVP Traning Bot
1.21.11fabric

Mace_PVP Traning Bot

This mod provides the player to train their mace

40kdownloads
Create: Configurable Machine Outputs
1.21.1forge

Create: Configurable Machine Outputs

Take control of your create machinery automation! This mod lets you choose which recipe your millstones, crushing wheels and presses use when multiple addons create conflicting recipes, ensuring predictable and reliable automated systems.

40kdownloads
CC: Redstone Link Bridge
1.21.1neoforge

CC: Redstone Link Bridge

This mod connects Create Redstone Link networks with CC:Tweaked computers.

38kdownloads
Create: Northstar-Aeronautics Compatibility
1.21.1neoforge

Create: Northstar-Aeronautics Compatibility

This mod adds a block named Dimensional Drive which, when attached on a physics object, has a GUI to select a destination planet form Create: Northstar. It teleports the physics contraption and the player on the selected planet. No crafting recipie yet.

38kdownloads
Smooth Camera Movement
1.21.1fabric

Smooth Camera Movement

Mod that makes your Camera Movement Smooth!

37kdownloads
Universal Vein Miner
1.18

Universal Vein Miner

A faster way to mine ores, logs

36kdownloads
SayanVanish
1.8.9

SayanVanish

A modular vanish system for Minecraft servers

35kdownloads
Potted Farms
1.21.5

Potted Farms

Build potted farms that harvest trees and other growables.

35kdownloads
Xray Vision+ [Now less laggy]
1.21.11fabric

Xray Vision+ [Now less laggy]

XRAY... BUT LEGAL,...... XRay Vision+ is a legal client-side cave assistant for Minecraft.

35kdownloads
Mining Quarries
1.21.9

Mining Quarries

Build quarries that mine cobblestone and ores!

34kdownloads
CobbleSpawners
1.21.1fabric

CobbleSpawners

This Cobblemon addon mod allows map creators or admins to place custom Pokémon spawners, manage spawn settings via a GUI, and control Cobblemon spawning behavior, including Pokémon species, spawn chances, and custom stats.

34kdownloads
Bubblellaneous
1.21.11

Bubblellaneous

Adds Furniture, Technology, Food & Miscellaneous blocks and items.

34kdownloads
CCreate Modpack
1.21.1neoforge

CCreate Modpack

An integrated package based on mechanical power. 一个基于机械动力的整合包

34kdownloads
Aeronautics: Calibrated
1.21.1neoforge

Aeronautics: Calibrated

A mod that adds extra features to Create: Aeronautics that improve it slightly.

33kdownloads