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Minecraft Java 1.21 Mods

Browse 3,577 free mods for Minecraft Java 1.21 — popular picks include Suggestion Tweaker, KubeJS Offline Documentation, StateObserver.

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3,577 mods
Suggestion Tweaker
1.21fabric

Suggestion Tweaker

Improves the way suggestions are filtered and sorted when writing a command

3.2Mdownloads
KubeJS Offline Documentation
1.21neoforge

KubeJS Offline Documentation

KubeJS Documentation files, generated dynamically via command, accessed with an html page.

3.2Mdownloads
StateObserver
1.21.1neoforge

StateObserver

A library for observing state changes.

3.2Mdownloads
Time On Display
1.21.1fabric

Time On Display

Do you play in full screen? Now you can see the time in real life by pressing just one key!

3.2Mdownloads
MCEF (Minecraft Chromium Embedded Framework)
1.21.4fabric

MCEF (Minecraft Chromium Embedded Framework)

A library for adding the Chromium web browser into Minecraft

3.1Mdownloads
CodeChicken Lib
1.21.1neoforge

CodeChicken Lib

Contains various libraries for 3D math and transformations, rendering, networking, configs, and much, much more.

3.1Mdownloads
Recipes Library
1.21.1neoforge

Recipes Library

A library adding implementations for recipes.

3.1Mdownloads
Spice of Fabric (Fabric)
1.21.3fabric

Spice of Fabric (Fabric)

An iteration of Spice of Life built for Fabric

3.0Mdownloads
Immersive Furniture
1.20.1forge

Immersive Furniture

Create custom and fancy furniture, deco, and objects in-game or choose from a vast online library.

3.0Mdownloads
Adorned (Curios) [Discontinued]
1.21neoforge

Adorned (Curios) [Discontinued]

Spiritual successor to Curios

3.0Mdownloads
Pufferfish's Attributes
1.21.5neoforge

Pufferfish's Attributes

A Minecraft mod that adds more attributes to the game.

3.0Mdownloads
Dynamic RPG Resource Bars
1.20.1neoforge

Dynamic RPG Resource Bars

Animated, adjustable RPG resource bars!

3.0Mdownloads
Accelerated Rendering
1.20.1forge

Accelerated Rendering

Entity rendering optimization mod. Fast vertices transforming and caching using compute shaders.

2.9Mdownloads
Mechanicals Lib
1.21.1neoforge

Mechanicals Lib

Common library for mods.

2.9Mdownloads
SDM UI Lib [Forge/Fabric]
1.21.1fabric

SDM UI Lib [Forge/Fabric]

A simple library that will simplify the creation of GUI

2.9Mdownloads
[Deprecated] Curios Compat Layer for Accessories
1.21.1neoforge

[Deprecated] Curios Compat Layer for Accessories

A Compatibility layer for mods using the Curios API to work with Accessories

2.9Mdownloads
More Hitboxes
1.21.1fabric

More Hitboxes

Library mod that adds support for multiple hitboxes that can optionally be controlled by GeckoLib animations

2.8Mdownloads
Universal Mod Core
1.21.1neoforge

Universal Mod Core

Core Library for version agnostic Minecraft Mods

2.8Mdownloads
Antique Atlas 4
1.21.1fabric

Antique Atlas 4

A hand-drawn clientside world map, with map sharing, structure discovery, and less! A map frontend for Surveyor based on hunternif's Antique Atlas.

2.7Mdownloads
MrCrayFish's Furniture Mod (Legacy Continued) + Nosiphus Furniture Mod
1.21.1neoforge

MrCrayFish's Furniture Mod (Legacy Continued) + Nosiphus Furniture Mod

Port of MrCrayFish's Furniture Mod (Legacy) to newer versions of Minecraft. Formerly an addon that readded missing furniture to CFM.

2.7Mdownloads
Lavender
1.21.4fabric

Lavender

A Guidebook API and alternative to Patchouli

2.6Mdownloads
Duplicationless
1.20.1forge

Duplicationless

A lightweight Minecraft library that simplifies JSON configs, block data storage, and entity tracking across chunks and dimensions.

2.6Mdownloads
Scavenge
1.21neoforge

Scavenge

Apply a custom Rightclick behavior to any block!

2.6Mdownloads
Custom Machinery Create
1.21neoforge

Custom Machinery Create

Create support for Custom Machinery

2.6Mdownloads
The Impossible LIbrary
1.19.4fabric

The Impossible LIbrary

A library mod that makes the impossible possible in Minecraft

2.6Mdownloads
Interaction Wheel
1.21.1neoforge

Interaction Wheel

In game rotation wheel to perform various actions

2.5Mdownloads
Beautified Chat [Client]
1.21.11fabric

Beautified Chat [Client]

💬 A highly configurable mod to change the chat style and colour on the client.

2.5Mdownloads
MineColonies for ComputerCraft
1.21.1neoforge

MineColonies for ComputerCraft

Integration addon providing CC peripheral for MineColonies

2.4Mdownloads
ReForgedPlay [replay mod on (neo)forge]
1.21.8neoforge

ReForgedPlay [replay mod on (neo)forge]

Replay mod port to (neo)forge! Record your adventures in minecraft

2.4Mdownloads
Simple Discord Link Bot
1.18.2fabric

Simple Discord Link Bot

A simple to use discord-minecraft/vice versa chat link bot with advanced features

2.4Mdownloads
Ember's Text API
1.21.1fabric

Ember's Text API

Text rendering and styling API with effects, animations, and custom font support.

2.4Mdownloads
FamiliarsLib
1.21.1neoforge

FamiliarsLib

Library mod for the core features of the Alshanex Familiars mod

2.4Mdownloads
Iris & Oculus Search
1.21fabric

Iris & Oculus Search

A mod that adds a search bar to Iris and Oculus to quickly find and filter shader settings and shaderpacks.

2.4Mdownloads
CTD Core
1.21.11neoforge

CTD Core

A small library file for CTD mods.

2.3Mdownloads
[NTGL] NukaTeam's Gun Lib
1.21.1neoforge

[NTGL] NukaTeam's Gun Lib

Allows you to add animated weapons to the game

2.3Mdownloads
Bundle API
1.21.1neoforge

Bundle API

An API for mods that allows easy addition of bundles with custom sizes and filtered content.

2.3Mdownloads
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