Minecraft Java 1.21 Mods
Browse 59 free mods for Minecraft Java 1.21 — popular picks include Open Inventory, Optix Client, BlazeXRemake.
Updated daily
Open Inventory
OpenInv is a powerful Minecraft admin plugin that lets staff view and edit player inventories and ender chests using /inv commands, featuring a modern GUI, database-backed inventory snapshots, rollback support, and multiple Minecraft version support.
Optix Client
Optix Client is a cutting-edge, Fabric-based utility client built for players who demand performance and precision. Designed with a focus on PvP and minimalist aesthetics, it provides a seamless experience for modern Minecraft versions.
BlazeXRemake
BlazexRemake is a lightweight, performance-focused Minecraft client based on a Feather Client remake, featuring a custom Blaze-inspired UI and built on Fabric for smooth gameplay and modern visuals.
Lusk
Modern, user-friendly skript addon, perfect for beginners and experienced developers.
Simplex Modern Survival
This focuses on making the game more difficult providing an incentive to use the two main mods, Vic's point blank for powerful weapons and immersive engineering for mass ammo production

Protect
A WorldGuard-like, modern world protection plugin made for API usage
SimplePortals-
A modern, lightweight and optimized portal plugin for Paper and Folia servers.
Modern Metro
This mod adds variable speed powered rails, directional powered rails, and more!
Voxyland
Voxyland is a Fabric 1.21.10 modpack focused on a modern, immersive sandbox experience that expands Minecraft without sacrificing performance.
VisualCraft by Moizoref
Make Minecraft look similar to Mojang's modern titles like Minecraft Dungeons and Legends. 1.21.1 Release!
SL Quantum Factory
SL: Quantum Factory: a tech modpack for modern engineering without the lag. Focused on extreme optimization, it lets you build colossal factories and quantum systems with peak performance. Experience complexity with fluidity.
Furniture & Tech
Enhance your Minecraft builds with interactive, customizable furniture and decor. From modern designs to culturally inspired pieces — beauty and functionality in every room.
NoLag-Ultimate
NoLag Ultimate is a comprehensive and high performance optimization solution specifically engineered for modern Minecraft servers running on version 1.21 and above. This all in one utility focuses on maintaining peak server stability by addressing the most
GregTech Modern Bugs Fix
Fix some bugs of GregTech CEu Modern
QuickChat - Folia support and Redis
Modern chat plugin with formats, placeholders, private messages, colors, and full customization.
Optimized Canvas
Optimized Canvas 1.21.1 delivers a high-performance Fabric 1.21.1 experience, blending seamless optimization with essential quality-of-life, and modern weaponry to empower your adventures
DrHomes Advance Home Plugin Like DonutSmp
DrHomes is a modern high performance GUI based homes plugin for Minecraft 1.20+ with full customization and gradient support easily manage thousands of homes with a clean interface fast teleportation and zero lag async storage
Create & Conquer
Modern Survival Engineering with expansive world generation
ModernShowcase
Advanced glass showcase, display anything with custom angles and extreme lightweight performance.
TomExpensive
TomExpensive is a lightweight, high-performance solution for Minecraft 1.21.1+ that removes the restrictive "Too Expensive!" limit in Anvils. It ensures your players can always repair and enchant their gear while providing modern utility features.
YoTPA
YoTPA is a lightweight and powerful teleport request plugin with adaptive performance optimization. Simple to use, easy to configure, and built for modern Minecraft servers.
SpyCore
Organize your worlds, like never before. SpyCore is the modern world manager designed for server owners who are tired of server restart everytime when adds a world. SpyCore gives you full control without needing of restart.
Vanadium
Minecraft modernized. New GUI and top-level performance.
BounceCraft: ModernConflict
Modern technical survival with industries, weapons, vehicles, and advanced warfare. Automate, dominate the world, face creepy creatures, and live in a technologically advanced society ruled by nations.
LagX
LagX is a comprehensive server optimization plugin designed for modern Minecraft servers running Paper and Folia. It provides advanced lag prevention, entity management, performance monitoring, and server optimization tools
Hardcore x Create
A modern Minecraft modpack focused on Create automation, magic, farming, exploration, and immersive gameplay with optimized performance and countless creative possibilities.
TrenchPro
TrenchPro is a high-performance, professional-grade 3x3 mining utility designed for modern Minecraft servers (1.21.1+). Unlike basic hammer plugins, TrenchPro is direction-aware and safety-conscious.
Crafting Blades | ModernisM
a Modern, Gung Ho Minecraft experience, make a NUCLEAR REACTOR in Minecraft? Give it a try.
STpa
A modern, lightweight, and fully configurable TPA plugin featuring GUI‑based and chat‑based request handling, instant toggle commands, and an intuitive toggle GUI for complete teleport control.

Phantom Loot
👻 PhantomLoot PhantomLoot is a lightweight, high-performance, 100% server-side instanced looting mod designed for modern Fabric servers (1.21.11, 26.x)
SimpleChunks
An easy-to-use chunkloader with a modern GUI, teleport system, and secure permission management — ideal for farms, redstone, and automated systems.
PlaytimePlus
A high-performance Minecraft plugin for tracking player playtime with zero lag and automated rewards. Features 1000+ scalable levels, smart reward systems, and a modern GUI experience.
TreeCutterPro
High-performance, metadata-aware forestry for modern Minecraft servers
Create+ Modern
Create Modern is a streamlined Minecraft 1.21.1 NeoForge modpack focused on Create, automation, and rail transport. Featuring Steam 'n' Rails, advanced storage solutions, performance optimizations, and essential quality-of-life mods, it provides everything
OptimaVisuals
A high-performance Minecraft modpack meticulously optimized for massive FPS gains, smooth chunk loading, and zero stutters, while beautifully upgrading the graphics with vibrant modern shaders and fluid animations.
The Nova Matrix: New Beginnings
New Beginnings is a long-term, server-focused NeoForge modpack built around modern tech progression, dangerous exploration, and deep automation.