Minecraft Java 1.21 Mods
Browse 3,590 free mods for Minecraft Java 1.21 — popular picks include Attack Range Attribute, Euclid's Elements, Mansioneer.
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Attack Range Attribute
A small API that adds an attack range entity attribute.
Euclid's Elements
Library for Customizable Content Mods
Mansioneer
Adds biome-specific variants for Woodland Mansions; easily expandable with data packs!
tweak-api
A Minecraft fabric api that make more events and callbacks, and configure

Marrow
arrow-kt libraries bundled for Minecraft
Spoofer+
🎭 Mod to hide mods & spoof your F3 menu
Keybindery
Bind multi-key chords to any keybind, find a mod's bindings inside its own config, search/sort/filter the controls screen.
Lazuli Lib
Library to help you create visuals that make people go OHH!
Refined Enchanting
Level up your gear! Refined Enchanting adds RPG stats, tool badges, sleek tooltips, and a robust API for modders.
TweakHands
TweakHands is a lightweight Minecraft mod that gives you full control over first-person hand and item animations, positions, rotations, and scaling with real-time in-game customization.
Jsonite
Create custom modded features on Quilt and Fabric using resource/data packs PRE-APLHA server-side untested
Advanced Mining
A plugin that adds a powerful and customizable Mining System. Similar to the one on Hypixel Skyblock.
QDC CORE 4.5
5th Version of the QDC Quantum Dis-Assembly Craft mod. Focusing on QOL Usability and other Mods Compatibility.
CloudCore
Minecraft paper and velocity library plugin with generic configurate loader utilities and adventure minimessage translations
Hazars Head Library
A modern, Kotlin-powered Minecraft mod for collecting and giving custom heads!
Shuttle
A lightweight open-source addon library for adding extension support to your mods
Circumflex
A Fabric/Quilt library mod
eesa
Extended Equipment Slot Adapter - A bridge between curios and trinkets
CJs Mod API
A Modding API for Paper designed to make adding Custom Functionality easy
Colorful Logger Lib
This library is designed to simplify a specific aspect of Minecraft Modding workflows by making it easy to add ANSI color to your Logger calls.
Recipe Changer
This is a lightweight server-side mod that allows you to change, remove, or add recipes for vanilla and custom modded items.
VRRW animation - OBJ ANIM
Exchange Items, blocks, Steves, entitys to Animated OBJ
Vanilla Emissive Ores Example
Vanilla Emissive Ores Using "Emissive Library Plus" 1.17+
NysxlUtilities
Library required for my plugins.
inputbooster api
Official API library for InputBooster mods
Easy Freezing
A mod that allows you to Freeze Time around you at will! Try with multiplayer and things get confusing fast!
kAuth
Auth System for Velocity servers

PlayerSettingChanger
PlayerSettingChanger lets you customize how online players look, sound, and appear on your client with per-player nicknames, skin URL overrides, voice mutes, and a premium themed GUI.
Sound Manager
This is the mod for usually used for muting or changing the voice of the mobs,blocks or generall things like death, fall damage , hit etc. You can edit them customly see images for more info
Cursors
Cursors is a Minecraft mod and library that adds custom mouse cursors to GUIs.
Keyconomy
An economy datapack based around trial keys. It has shops included!
Stickman API
A very,very flexible mod with placeholder items for Datapack creators. This mod is required for every project by Lexter.
DappleLib
Adds reusable code to reduce modding workload
Persistent Storage
Store variables between worlds
AbilityItemsAPI
An API to make the creation of items with abilities easier for developers
CustomGuiReworked
a simple plugin to create Custom GUI Inventory interfaces with saving data items system