Minecraft Java 1.21 Mods
Browse 17 free mods for Minecraft Java 1.21 — popular picks include Music Interface, Lusk, Protect.
Updated daily
Music Interface
A modern in-game music player for Minecraft with playlists, favorites, album covers and full control over custom music libraries.
Lusk
Modern, user-friendly skript addon, perfect for beginners and experienced developers.
Protect
A WorldGuard-like, modern world protection plugin made for API usage
EternalCore
EternalCore is a modern, actively maintained alternative to EssentialsX. It provides the most important server features in one plugin, with better configuration, performance, and support for the latest Minecraft versions.
ZonePractice Pro Duels
Elevate your server with the ultimate high performance Minecraft Modern PvP practice core plugin for playing duels.
GregTech Modern Bugs Fix
Fix some bugs of GregTech CEu Modern
Conium
Conium is a datapack and script framework for modern Minecraft, it provides very diverse features without Java coding, Conium lets you complete your mods only using datapacks.
Umbraix Jobs
A modern, feature-rich jobs plugin for Minecraft servers, offering customizable careers, dynamic missions, team play, and a sleek GUI—built for performance and player engagement.
Modmc
A highly optimized, zero-dependency, and incredibly accurate anti-cheat built natively on PacketEvents. Catch modern hackers instantly across versions 1.8 to 1.21.3 without punishing legitimate players.
LokaLib
Modern, performance-focused Minecraft datapack library with events, timers, utilities, and developer tools.
TritonAC
An optimized, packet-based solution to block modern combat and movement exploits. Powered by Aquaqa.
ClansbyPinsel
Modern and lightweight Minecraft clan plugin for Paper/Spigot featuring clan system, invites, ranks, clan chat, clan home, GUI menu and admin commands. Optimized for performance, fully configurable…
BSLib
BSLib Library aims to eliminate boilerplate code, streamline development workflows, and introduce modern reactive programming paradigms to the Minecraft ecosystem.
Slipstream
Ultra-fast, zero-allocation packet framework for Paper 1.21+. Coroutine-first, ProtocolLib-style API for modern Kotlin developers.
Light Level 2025 Mod (1.21.8, 1.21.5) – See Light Levels Above Every Block
Light Level 2025 Mod displays the block light level directly above solid blocks-allowing players to instantly assess mob-spawning risks visually. Inspired by Parzivail’s legacy LightLevel mod, it introduces improved performance, modern color rules, and convenient configuration. Features: Press F9 to see the block light levels Screenshots: Requires: Fabric API Light Level 2025 Mod Download Links […]
Renderer Fabric (1.21.1, 1.20.1) – Rendering Library for Modern Fabric
Renderer Fabric is part of the Fabric API, which is a lightweight and modular API designed for Minecraft mods. It provides common hooks and intercompatibility measures for mods using the Fabric toolchain. The Renderer Fabric Mod specifically deals with advanced rendering effects and optimizations, making it compatible with various optimization mods and graphics overhaul mods. […]
BCLib: Remastered
BCLib Remastered is a powerful core library and API for Minecraft Fabric 1.21.1. It provides essential shared utilities, rendering tools, custom configs, and procedural models for BetterEnd and BetterNether. Specially optimized for modern modpacks!