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Minecraft Java 1.21 Mods

Browse 3,590 free mods for Minecraft Java 1.21 — popular picks include Composer, VoxelBridge, Zander Core.

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Composer
1.21.5fabric

Composer

A library mod created to improve the QOL of developing fabric mods.

2.2kdownloads
VoxelBridge
1.21.11neoforge

VoxelBridge

Client-side mod that exports Minecraft saves to glTF.

2.2kdownloads
Zander Core
1.21.1neoforge

Zander Core

Lightweight core library required for Zander’s mod ecosystem

2.2kdownloads
☄️RSFramework | Framework of RSPlugin | [1.17.1 - 1.21.8]
1.17spigot

☄️RSFramework | Framework of RSPlugin | [1.17.1 - 1.21.8]

Framework

2.2kdownloads
CypherCore
1.21.1neoforge

CypherCore

The Core Mod for the Modpack Creatorio: Supply Chain

2.1kdownloads
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
GravityChanger (Banana Fork)
1.21.1fabric

GravityChanger (Banana Fork)

Lets you change the gravity direction of most entities, but works best for the player.

2.1kdownloads
TFC Pot Rule Breaker
1.21.1neoforge

TFC Pot Rule Breaker

A lightweight prerequisite patch that relaxes TerraFirmaCraft pot and Firmalife vat recipe input rules.

2.1kdownloads
Three-D Particle
1.20.1forge

Three-D Particle

Immerse yourself in Minecraft like never before with breathtaking 3D particles

2.1kdownloads
Psi Tweaks
1.21.1neoforge

Psi Tweaks

Overpowered patches to Psi.

2.1kdownloads
SSS Translate
1.21fabric

SSS Translate

A library to add Crowdin internationalization to mods.

2.1kdownloads
Hot Swap
1.21.5fabric

Hot Swap

Automatically Swaps To The Best Weapon/Tool

2.1kdownloads
EmotesChat
1.18

EmotesChat

Add emotes to your chat

2.1kdownloads
PvPCore
1.21.10fabric

PvPCore

Identify friend and enemies easily with colored tags, global internal chats for clans.

2.1kdownloads
Jump Enchantment
1.21.2fabric

Jump Enchantment

New enchantment that, when applied to boots, increases your jump height!

2.1kdownloads
Pehkui Continuation
1.21.11fabric

Pehkui Continuation

Unofficial continuation of Pehkui for newer Minecraft/Fabric versions.

2.1kdownloads
Farest's API
1.21.10fabric

Farest's API

An API for FarestR06's projects

2.1kdownloads
Fancy Tags
1.21.9

Fancy Tags

Simply put images in chat. No resource pack needed.

2.1kdownloads
Baubles 2
1.21.4neoforge

Baubles 2

Adding a new touch of bling to Minecraft.

2.1kdownloads
OnlyWaypoints
1.21.6fabric

OnlyWaypoints

A Minecraft Fabric Mod that adds bloat-free Waypoints with a Vanilla feel to the game

2.1kdownloads
ChatRegulator
1.7.2

ChatRegulator

An advanced global chat regulator for Velocity

2.1kdownloads
HO-Library
1.20.1forge

HO-Library

A lib mod

2.0kdownloads
AnimVanish 1.21.x - 26.2 | Animated Vanishing
1.21spigot

AnimVanish 1.21.x - 26.2 | Animated Vanishing

Plugin that provides large library of pre-made effects to your vanish

2.0kdownloads
PromotedServer
1.21fabric

PromotedServer

Allows Modpack creators to promote their modded Servers.

2.0kdownloads
Sword Utils
1.21.11fabric

Sword Utils

Real-time Java sword PvP feedback - recalibrated cooldown overlay, combo tracker, kill counter, auto sprint, reach display, damage immunity timer, and jump reset grader. 1.21.11 | Client-side only.

2.0kdownloads
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
FLib-Unofficial port
1.21.1neoforge

FLib-Unofficial port

An unofficial port to 1.21.1 for the FLib mod; will remain until the original creator Lothrazar hasn't finished porting

2.0kdownloads
Hextech Lib
1.21.1neoforge

Hextech Lib

Just like in a roguelike game, upon completing a certain objective, you can choose one of three buffs to empower yourself.

2.0kdownloads
MrLibCore
1.19

MrLibCore

MrLibCore is for MrUltimate and Other MrPlugins. !!! ITS REQUIRED !!!

2.0kdownloads
Equipment Sets
1.21.1fabric

Equipment Sets

This mod adds equipment sets that provide a bonus when an entity has items of a set equipped.

2.0kdownloads
Aerodynamics4MC
1.21.1neoforge

Aerodynamics4MC

A mod that adds realistic aerodynamics & wind to Minecraft

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
More Outputs API
1.21fabric

More Outputs API

A developer API to add recipes with more than one output

2.0kdownloads
MTR: Surveyor Integration
1.21.1fabric

MTR: Surveyor Integration

Add MTR Stations & Depots landmarks for the Surveyor Map Framework

1.9kdownloads
ReadStar
1.21.1neoforge

ReadStar

A mod adds configurable and more realistic stars.

1.9kdownloads
Limited Sprint
1.21.4

Limited Sprint

stamina-based sprinting, for players.

1.9kdownloads