Minecraft Java 1.21 Mods
Browse 25 free mods for Minecraft Java 1.21 — popular picks include NMI - server side mods only, Keystone Expansion Pufferfish's Skills, Enhanced Minecraft 2.0.
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NMI - server side mods only
This is a collection of over ✨150+✨ server side mods that enhance your gameplay with voice chat, factions, economy, seasons, dungeons, buildings, mobs and much more. 🌌
Keystone Expansion Pufferfish's Skills
MMO-style skill tree expansion for Puffish Skills, adding new progression categories like Combat, Mining, Exploration, Farming, Crafting, Building, Magic and Taming.
Enhanced Minecraft 2.0
Makes playing Minecraft feel like you are a child again! A modpack enhancing base mechanics and adding features to the game in every way possible, letting you explore the game again and in new ways ;)
Chill
Experience the official Chill SMP: vast landscapes, and immersive progression for all, plus a relaxing cooperative experience focused on exploration and building.
Ley's Modpack
Ley's Modpack is a client-side Minecraft enhancement pack focused on performance, visuals, and UI improvements. It includes mods like Sodium, Litematica, and Iris for optimization and building assistance, alongside immersive sound and graphical tweaks.
MouCraft
MouCraft is a survival-RP modpack for Minecraft 1.21.1 using NeoForge. Designed for immersive multiplayer gameplay, it combines Create-based automation, town-building with MineColonies and survival mechanics.
HOGCRAFT SEASON 8
Hello HoGCrafters! this is a fun vanilla++ modpack made by and played by the House of Greatsword Brawlhalla clan! Discord.gg/HouseofGS Message @speorg on discord if you would like to play along!
Aeronautics: Cogs and Clouds
A 1.21.1 powerhouse featuring Create: Aeronautics, nuclear engineering, airship combat, and massive dungeons—optimized for everyone.
Create: Industrial & Building (Lumitech)
A modpack for playing with friends, combining such mods as Create, Mekanism and Computer Craft (CC: Tweaked) with a more improved vanilla minecraft
Klarian Chronicles Magic & Steel
Fantasy RPG modpack tailored for private server combining Better combat, legendary bosses, dragons, four magic paths, MineColonies kingdom building, Create automation, vampirism, and rich decorative building content.
Horizon Assembly
Horizon Assembly is a Create-focused industrial survival modpack built around automation, civilization building, exploration, and warfare.
DrUltraLux's Steam Fantasy
A Steampunk/Magitech inspired Modpack set in a dying fantasy world where players survive by building their own cities and airships.
Beyond Border Unlocked
Bypass the vanilla worldborder building & combat limitations.

Build and Thrive
Modpack dedicaded to give a reason to building, using survival, farming, automation, and transport.
Artilide
Artilide is a modpack that attempts to transform Minecraft's balancing and base mechanics to keep survival aspects for late game, along with overhauling exploration as a whole.
Create: Full Steam
A Create modpack made for Adventure, Building, and Machine making.
Mc are Amazing!
This modpack offers a rich, performance-optimized Minecraft experience that blends exploration, adventure, building, and immersion. It includes numerous visual enhancements, quality-of-life improvements, and gameplay expansions while maintaining smooth
Omnia
This project adds a massive, carefully curated 350+ mod experience. Omnia combines next-gen aesthetics (Distant Horizons, Shaders), deep farming/building mechanics, and epic exploration into one uncompromising, hardware-hungry sandbox.
4E Client Mod (1.21.11, 1.21.1) – ChunkFinder, Base Finding for DonutSMP
4E Client Mod is a multifunction Minecraft ghost / utility client designed mainly for DonutSMP and Anarchy Servers. It provides a large collection of combat, exploration, automation, and render modules, allowing players to gain full control over combat, base hunting, movement, and visual assistance. Features: DonutSMP Tools Chunk Finder – Find loaded and special chunks […]
Bnana Client Mod (1.21.11, 1.21.1) – Banana Client, Donut SMP Destroyer
Bnana Client Mod (or Banana Client) is a ghost client for Minecraft focused on PvP and anarchy-style gameplay. It includes powerful modules for Crystal PvP, combat automation, and Donut SMP utilities such as base finding and spawner detection. The client is designed to be simple to use with a clean ClickGUI and provides many features […]
Nyrex Client Mod (1.21.1) – Automation-Focused Beast
Nyrex Client Mod provides a powerful automatic combat system, advanced utility tools, ESP & visual features for better awareness, along with various macros and automation that give players a major advantage in PvP, raiding, base hunting, and long-term survival. Features: ⚔️ Combat Aim Assist – Assisted target aiming Anchor Macro – Anchor PvP macro support […]
Bunny Warren
This mod pack includes over 80 carefully selected mods that offer a wide range of building, exploration, magic, and technology options to create an immersive and engaging Minecraft experience.
CraftEssence
CraftEssence brings a bit of everything to Minecraft! Explore new biomes, craft unique tools, master magic, and face powerful foes. Whether you enjoy building, farming, or combat, this mod enhances every aspect of the game for endless adventures.
FMGII German Pack Mod (1.21.1, 1.20.1) – Defend Your Base with Heavy WWII
FMGII German Pack Mod adds classic World War II weapons for Fel's Machine Guns II. This addon brings heavy firepower to your game while keeping the main mod organized. You can craft and fire historical guns to defend your base or fight tough enemies. Features: Heavy Machine Guns: Adds the MG34 and MG42 to give […]
The Commando's Clay Mod (1.21.1, 1.20.1) – Defend Your Base with an Army
The Commando's Clay Mod reworks how you gather and use clay in your world. It gives you new ways to make bricks, adds small clay fighters to protect your base, and includes machines that cut blocks automatically. Features: Generates new types of clay in the ground, including red clay, desert clay, kaolinite, and porcelain. Adds […]