HomeJava1.21

Minecraft Java 1.21 Mods

Browse 371 free mods for Minecraft Java 1.21 — popular picks include Sodium/Embeddium Options API, Puzzle, Sodium Options API.

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Sodium/Embeddium Options API
1.21.5neoforge

Sodium/Embeddium Options API

Config API for adding Sodium/Embeddium options with a better categories menu

75Mdownloads
Puzzle
1.21.8neoforge

Puzzle

Adds resourcepack features and a GUI to more conveniently configure OptiFine alternatives.

22Mdownloads
Sodium Options API
1.21.5fabric

Sodium Options API

Config API for adding Sodium options with a better categories menu

19Mdownloads
Temporal API
1.21neoforge

Temporal API

Temporal API is the library for Team Temporal mods, other projects may use it as well.

15Mdownloads
Does It Tick?
1.21.1fabric

Does It Tick?

Minecraft's dumbest server performance mod.

9.3Mdownloads
Loading Backgrounds
1.21.4neoforge

Loading Backgrounds

Customize the loading background of the games, and place customizable images.

6.8Mdownloads
GPUBooster
1.21fabric

GPUBooster

Provides DSA & fastest math formulas to game render system for best perfomance! Compatible with Sodium/Embeddium, Iris and shaders.

5.5Mdownloads
Accelerated Rendering
1.20.1forge

Accelerated Rendering

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

2.9Mdownloads
GeckolibBetterFPS
1.21.1neoforge

GeckolibBetterFPS

25% faster rendering Geckolib entities

1.6Mdownloads
Jauml
1.21.11neoforge

Jauml

Jauml is a lightweight configuration library for Minecraft mods, designed to simplify JSON-based config management

1.4Mdownloads
Quantified API
1.20.1fabric

Quantified API

A high-performance API for Minecraft mods, built to handle tasks efficiently, reduce lag, use GPU acceleration, smart caching, and multithreading - keeping your game smooth and stable.

1.3Mdownloads
CobbleBoss
1.21.1neoforge

CobbleBoss

A mod that allows you to infinitely add and customize your own exclusive Bosses in the Cobblemon world.

880kdownloads
Borderless Mining Updated
1.21.11neoforge

Borderless Mining Updated

Borderless Mining updated for the latest version with Sodium Config API support

746kdownloads
Fast Recipe Search
1.21neoforge

Fast Recipe Search

Significantly speed up recipe search.

737kdownloads
CoreProtect
1.16.5

CoreProtect

CoreProtect is a fast, efficient, data logging and anti-griefing tool. Rollback and restore any amount of damage. Designed with large servers in mind, CoreProtect will record and manage data without impacting your server performance.

485kdownloads
Veil
1.21.1fabric

Veil

Upgrade your modding potential with cutting-edge rendering and game-engine features. Built for modders, by modders.

409kdownloads
Tetrachord Lib
1.21neoforge

Tetrachord Lib

A lightweight library mod that provides various data structures such as KD Trees and Segment Trees, alongside some other utilitarian functionalities.

391kdownloads
ZeroCore
1.21.1neoforge

ZeroCore

A mod intended for other mod authors, it contains a revised multiblock API that support multiple client mods without performance penalities, a new new GUI system, a base BlockEntity implementation that simplifiy data syncronization and much more.

358kdownloads
Create: Deployer API
1.21.1neoforge

Create: Deployer API

A create library for addon-developers to simplify logistics

309kdownloads
LagFixer
1.20

LagFixer

⚡️ Best Performance Solution! 🗄️Trusted by 3000+ servers! ✅ Lightweight and highly Asynchronous!

303kdownloads
CICADA Cape Fix
1.16fabric

CICADA Cape Fix

Removes the ugly 'pls update cicada' cape from older versions of CICADA

283kdownloads
Curtain
1.21neoforge

Curtain

A Forge mod like fabric-carpet

256kdownloads
DespawnTweaker Refoxed
1.21.1neoforge

DespawnTweaker Refoxed

Better Let Me Despawn optimization | Don't allow mobs from spawners to despawn

239kdownloads
Async Locator Refined
1.21.1neoforge

Async Locator Refined

Changes the searching of features to be asynchronous to mitigate associated lag. Maintained version

163kdownloads
- FPS Booster - Lag Killer
1.20.5fabric

- FPS Booster - Lag Killer

powerful client-side performance FPS booster

162kdownloads
Lightning Grim Anticheat
1.16.1fabric

Lightning Grim Anticheat

Anticheat Perfected | 3.0005 reach | 99.999% antikb. Fork of GrimAC that's faster, with better reach checks, interact checks, and numerous bug fixes.

143kdownloads
Texture Pack Folders (Like Recursive Resources)
1.21.8fabric

Texture Pack Folders (Like Recursive Resources)

Mod allows folders with packs in them to work, mainly for organization. (Like recursive resources)

140kdownloads
Item Components
1.21.2fabric

Item Components

Change the default components for items! Server-side and data-driven, refreshes on /reload! (and does it properly)

81kdownloads
Accelerated Recoiling
1.21.8neoforge

Accelerated Recoiling

A mod of aabb collision optimization.

68kdownloads
datapack function library
1.13

datapack function library

This data pack provides developers with some useful functions and is compatible with all versions of Minecraft (except for those versions where data packs cannot be installed).

38kdownloads
CobbleLand Cobblemon Modpack
1.21.1fabric

CobbleLand Cobblemon Modpack

Looking for a new adventure? Try out our Fabric Modpack! Its an amazing server with hundreds of added pokemon to collect and trade! This modpack includes the bare necessities required to join the server including cobblemon, cobblemounts, and fabric api

28kdownloads
AccrelatedRendering-reFabricated
1.21fabric

AccrelatedRendering-reFabricated

A client side only entity rendering optimization MOD, aiming at improving performance when rendering large amount of entities or complex modded entities

25kdownloads
Create: Dimension, Steamworks Realm
1.21.1neoforge

Create: Dimension, Steamworks Realm

Create: Dimension, Steamworks Realm introduces a brand-new mining-focused dimension, designed for automation and large-scale resource extraction. This world is filled with rich veins of ores

25kdownloads
Music Interface
1.21.1neoforge

Music Interface

A modern in-game music player for Minecraft with playlists, favorites, album covers and full control over custom music libraries.

24kdownloads
lightspeed-kryo
1.21.1neoforge

lightspeed-kryo

Porting and improving the high version of lightspeed, while changing the serialization library to kryo

23kdownloads
Minecraft SQLite JDBC
1.12.2fabric

Minecraft SQLite JDBC

Up-to-date SQLite JDBC driver wrapped as a universal Forge/Fabric/Bukkit library for plugins like Dynmap and Grim.

21kdownloads