Minecraft Java 1.21 Mods
Browse 3,590 free mods for Minecraft Java 1.21 — popular picks include Aerlib: Shaders, PrismaticAPI, Customizable Timer.
Updated daily
Aerlib: Shaders
Readds the old secret setting shaders to 1.21.1's files. Originally meant for the Origins mod, but works as a general library.
PrismaticAPI
Versatile library for advanced color manipulation and text formatting in Bukkit/Spigot/Paper plugins.
Customizable Timer
A simple timer datapack with customizable options for color and style.
LifeCompat
A Compatibility Mod designed to simplify essential Modding Processes like events, bucket compatibility, and Energy
Place Anywhere Core
A Minecraft mod that allows blocks to be summoned, stored, and rotated at non‑integer grid positions. This mod is still in early development and has many bugs.
Figasmo
Integration between Figura and PlasmoVoice
PineLib
A modern minecraft plugin library designed with simplicity in mind.

Chickens Lay Anything
Configure what items chickens lay using loot tables!
Lore Link
Library mod for Ultra Studios' mods
RemooLogin
A lightweight Minecraft plugin for offline servers that requires players to register and log in before interacting.
CloudChat
Minecraft paper plugin for creating teams based on luckperms data
ItemPro
ItemPro - Because knowledge is power, even in Minecraft! ⚔️📚✨
LoreEditor
Packet-level item lore modification for Spigot and its forks
MiniBook
Create and open custom books with style, ease, and rich formatting.
WelcomeX
WelcomeX is a lightweight, fully customizable Minecraft plugin that warmly greets players with titles, messages and sounds to create a memorable first impression.
BL Screenshot Gallery [BLSG]
A modern in-game screenshot gallery for Minecraft that automatically saves where, when, and what biome every screenshot was taken in, with a clean visual browser directly inside Minecraft.
P_Terrenos
Terrenos Customizados Custom lands
Regions Unexplored Biome Book Compat
This mod adds the regions unexplored biomes to the biome book mod.
CobbleLemon Systems
A collective mod for all exclusive CobbleLemon server features.
Canalize
Canalize breaks the terrain generation framework of the original Minecraft, offloads the core heightmap calculations down to the C++ layer, and bridges them back to the Java game
Armory API
A lightweight, cross-loader API for defining customizable tool and armor sets
HTMLPlugin
HTMLPlugin позволит вам разместить свой сайт на хостинге без VDS/VPS.
P_Lixeiro
o P_lixeiro limpa seus mundos para evitar lag ou muito uso da cpu e memoria! P_lixeiro cleans your worlds to avoid lag or high CPU and memory usage!
CloudVanish
Minecraft paper plugin for vanishing staff members from players, supports layered vanish permissions
Creative Tabs Sections (Deprecated)
Adds sectioned layouts to Creative Tabs, allowing items to be grouped with headers, banners, and optional animations. (Deprecated)
BaseLayer
BaseLayer is a lightweight and efficient mod library created by ArthurOrsi.
RinLib
Shared runtime library for RinChan Minecraft mods.
Datapack UIs
Allows you to create data-driven Guis with datapacks
Heart Animation Customizer
A mod where you can change all animations heart related
VNNhatTruongneeeLib
A simple library utilty for my mods

TextImport Mod
TextImport — Fabric Mod for Minecraft 1.21.11 for reading and writing books more efficient.
SkyBloke Texture Tweaks
Overlay resource pack meant as a dependency for a modpack
SocketPlugin
A Figura Addon that allows TCP sockets and more.
Lattice API
Lattice API is a lightweight NeoForge modding framework that removes boilerplate and streamlines content creation. It provides simple, unified tools for registering blocks, items, tags and more!
XMyIsland
A comprehensive island management plugin that brings robust protection, intuitive GUI management, and economy integration to your Minecraft server.
AdventureKt
Kotlin DSL support for Adventure library.