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Minecraft Java 1.21 Mods

Browse 531 free mods for Minecraft Java 1.21 — popular picks include Clutch, Replant+, Transport-Lib.

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Clutch
1.21.11fabric

Clutch

In some cases a clutch will be impossible. This mod shows whether a clutch is doable and how difficult it will be, alongside many other clutching utilities.

2.2kdownloads
Replant+
1.21fabric

Replant+

A lightweight and server-friendly mod that automatically replants crops the moment you harvest them.

2.2kdownloads
Transport-Lib
1.21.1neoforge

Transport-Lib

A simple library allowing modders to create custom pipe networks

2.2kdownloads
Customizable Dragon AI
1.20.3

Customizable Dragon AI

Useful Datapack to customize the Ender Dragon's AI

2.2kdownloads
OpenJavascript
1.18

OpenJavascript

Create custom menus, commands, plugins, systems, basically anything with scripts in Javascript! With multithreading and Folia support! Everything is fully documented in the documentation!

2.1kdownloads
Fancy Tags
1.21.9

Fancy Tags

Simply put images in chat. No resource pack needed.

2.1kdownloads
ManualTotem
1.21fabric

ManualTotem

A simple mod that helps with manual totem placement by automatically moving your cursor to a totem when you open your inventory.

2.0kdownloads
Thunderbolt_lib
1.21.1neoforge

Thunderbolt_lib

A runtime bridge library and addon API for AE2 Lightning Tech, providing lightning energy capability interfaces, recipe builders, and plugin loading support for addon mods.

2.0kdownloads
FoxPapiSkriptExpansion
1.21

FoxPapiSkriptExpansion

A placeholder api expansion for Skript to show values of variables and lists, perfect if you use different plugins and you want to show the variable's value in them

1.9kdownloads
RankPlugin
1.20.1

RankPlugin

RankPlugin shows player ranks as PNG icons from a resource pack in both chat and the tab list, with easy configuration via ranks.yml, commands, and GUI.

1.9kdownloads
smartbuildLib
1.21.1neoforge

smartbuildLib

Library for Improved construction system (Now supports Create Aero)

1.8kdownloads
Draventh Ores
1.21.8fabric

Draventh Ores

⚒ Advanced Tier Ores & Equipment This mod expands Minecraft’s survival progression by introducing 15 new late-game materials, each with full armor and tool sets. The goal of this mod is simple: Extend progression beyond Diamond and Netherite with a struc

1.8kdownloads
GoopyUtil
1.21fabric

GoopyUtil

Utility API meant to be paired with FNAF mods. Can also be used as a mod on its own to bring technical FNAF-themed props to the game.

1.8kdownloads
Chat Language Translate
1.21fabric

Chat Language Translate

A powerful Minecraft Fabric mod that provides real-time chat translation using the Google Translate API. Supporting multiple languages and offering both automatic and manual translation modes, it ensures you never miss a message in multiplayer environment

1.7kdownloads
Money SMP
1.21

Money SMP

💰 Money SMP: Lightweight PvP economy, no jobs, just combat. ⚔️

1.7kdownloads
Blackboard
1.21.1neoforge

Blackboard

Place a blackboard. It shows a problem. Answer in chat to win rewards.

1.6kdownloads
inject
1.21

inject

A library for making injecting into Netty easier!

1.6kdownloads
More Villages Datapack
1.21

More Villages Datapack

Adds more villages to the game.

1.6kdownloads
SecureLib
1.21.1neoforge

SecureLib

Security blocks library and standalone mod to protect your base

1.6kdownloads
StatsMod
1.21.11fabric

StatsMod

Track many Stats for your players

1.5kdownloads
Media HUD
1.21.11fabric

Media HUD

Media HUD is a client-side Fabric mod that adds a draggable media player HUD to Minecraft Java Edition. It supports local audio and video playback from disk, library browsing, saved HUD position, full and compact layouts and multiple visualization modes.

1.5kdownloads
tincore
1.21.1neoforge

tincore

a library for tin mods

1.5kdownloads
Biscuit!
1.20fabric

Biscuit!

A simple API for working with 1.20.5 cookies and transfers in an easy and secure way!

1.5kdownloads
Title Writer
1.21.5

Title Writer

Animate Title Text with Typewriter animation

1.5kdownloads
GregTech Modern Bugs Fix
1.21.1neoforge

GregTech Modern Bugs Fix

Fix some bugs of GregTech CEu Modern

1.5kdownloads
OnTime
1.20.1forge

OnTime

A powerful and flexible timer mod for Minecraft. Create custom timers with on-screen display and command execution — ideal for minigames, events and automated server tasks.

1.4kdownloads
Custom Machinery EMI
1.21.1neoforge

Custom Machinery EMI

An EMI plugin for Custom Machinery, providing recipe viewing support for all Custom Machinery recipes.

1.4kdownloads
Kappa's AntiCheat
1.21.5fabric

Kappa's AntiCheat

A lightweight Fabric anti-cheat designed for high performance on large-scale servers.

1.4kdownloads
Proxies
1.21.11neoforge

Proxies

A mod that adds passive blocks that redirect intentory interactions to the targeted block.

1.4kdownloads
FoliaPerms
1.19

FoliaPerms

A plugin that adds a permission handler to multi-threaded Folia servers, since the lack of permission plugins in Folia!

1.3kdownloads
Half Heart : Challenge
1.21.5neoforge

Half Heart : Challenge

Survival challenge where players only have half a heart.

1.3kdownloads
mcs_permissions
1.21.11

mcs_permissions

Server Essentials, but for vanilla minecraft made in datapack format.

1.3kdownloads
cyanspeech
1.21fabric

cyanspeech

Text-to-speech with SimpleVoiceChat!

1.3kdownloads
Puffish Cooking Experience
1.21.1neoforge

Puffish Cooking Experience

A bridge mod for Pufferfish's Skills & Farmers'delight.

1.3kdownloads
Tyr's Minecart Speed Fixes
1.21.1neoforge

Tyr's Minecart Speed Fixes

An overengineered minecart default speed tweaker, with lots of configurable options!

1.2kdownloads
Technology Valley Tweaks
1.21.1neoforge

Technology Valley Tweaks

Some addons for Technology Valley modpack

1.2kdownloads