Minecraft Java 1.21 Mods
Browse 531 free mods for Minecraft Java 1.21 — popular picks include HueFinder, TritonAC, Angry Streak.
Updated daily
HueFinder
HueFinder adds a clean in-game menu to browse and search color palettes for creative building.
TritonAC
An optimized, packet-based solution to block modern combat and movement exploits. Powered by Aquaqa.
Angry Streak
Transform your server's PvP experience with 𝐀𝐧𝐠𝐫𝐲 𝐒𝐭𝐫𝐞𝐚𝐤 today! Every kill matters. Every streak counts. Every moment is intense.
wa3kit
You can save and load your inventory
Nova's Music
NovaMusic - Bring the entirety of YouTube and SoundCloude into Minecraft. Import playlists with a single link, organize your library, and listen to your favorite tracks in-game without any performance drops.
3D Model Datapack Template
This is an template used to add 3D models to your game via heledron's text display model generator (by SyanicXD)
Socialismus: Channelizer
The resource provider! Enables synchronization feature for other modules using BungeeCord channels.
Void Pressure
A flexible NeoForge framework for modpacks, providing a global pressure system to trigger fully configurable events.
Grimm's Mod Base
Base mod for the Grimm's modernized series, now including lattes (?). General content expansion and adventure mod.
LuaCord
Write real Minecraft plugins in Lua. LuaCord is a modern fork of Lukkit, rewritten in Kotlin with full Paper compatibility.
Racoon Math Library
Do you create data packs for Minecraft but find yourself frustrated by the lack of certain mathematical tools? This library is for you!
Gate Pass
Add UI login system to your minecraft server and anti-bypass login system.
Invite System
Whitelist plugin with collective responsibility. Banning an invitee penalizes the inviter. Low trust scores result in automatic unwhitelisting. LuckPerms and MySQL/YAML supported. Has a reputation system.
MCBoard
Panel up, No setup.
JS Runner
The plugin aims to add the ability to run JavaScript files in a Minecraft server.
Extender
Minecraft Command length Extender & Minecraft Custom Function Runner.
Snippet
The ultimate screenshot upgrade for Minecraft. Browse, edit, and share instantly - soon featuring toggleable layers.
Ultrabright Lib
Adds support for light levels above 15.
VoxelUI
Modern UI framework for Minecraft NeoForge with XML layouts, MCSS styling, reusable components, theming, and developer tooling.
Nutlet
A Datapack API that focus on creating Multi-block Machines. It provides schematic displays, simple enhanced /schedule, utilities for handling block orientation, UUID conversion, in‑game adjustable setting.
Ponder lib
give datapacks the abbility to add ponder pages (like in create mod) to items with the new dialogs in 1.21.6
BSLib
BSLib Library aims to eliminate boilerplate code, streamline development workflows, and introduce modern reactive programming paradigms to the Minecraft ecosystem.
MapProtect
MapProtect is built to work alongside automated map rotation systems, allowing FFA servers to maintain clean, reusable arenas without requiring manual resets.
1.21 GameRules Restore
1.21 GameRules Restore brings back the original behavior of selected gamerules from version 1.21 that were changed in Minecraft 1.21.11. This allows servers to keep the old mechanics without downgrading the game version.
Chest Door Lock
Lock is a lightweight and multiplayer-friendly Minecraft datapack that allows you to easily secure your items and structures.
SimpleCore by Cooshh
A shared core library for Simple mods, providing common systems like economy support and shared utilities.
FurnaceEditor
A collection of powerful in-game editors to manage crafting and smelting recipes effortlessly. Create, edit, and delete recipes via intuitive UIs without ever touching a config file.
Helios Core
HeliosCore is the foundation plugin powering the entire Helios ecosystem, providing shared services for storage, permissions, messaging, licensing, player profiles, and the live web dashboard used across all Helios plugins.
OpenRouter Chatbot
OpenRouter Chatbot is a powerful and highly configurable Spigot plugin that integrates the OpenRouter AI API into your Minecraft server.
StaffUI
A fully customizable modern staff punishment panel featuring Discord log support, Hex colors, and ItemsAdder compatibility.
Pivot Poly
PivotPoly is a powerful Minecraft plugin designed for creators, builders, and server owners who want to bring their builds to life with high-fidelity, smooth-animated mechanical structures.

Create: World of Colors
Putting some more color into your Factory Lines
Ultimate Step
UltimateStep is an all-in-one Paper server management plugin featuring a powerful rank system, configurable scoreboard, customizable tablist, and complete punishment tools including warn, mute, ban, kick, unmute, and unban. Lightweight, modern, and easy
Model Exporter
Export in-game Builds into Models. (Only works for Geckolib models at the moment.)
CommandNeural
AI-powered Minecraft server admin via MCP — 100+ tools for construction, WorldGuard, LuckPerms, Vault, PAPI & Oraxen. Let any AI control your server.
PlayCustomSounds
This project allowed owners to add new disc to their server