Minecraft Java 1.21 Mods
Browse 1,654 free mods for Minecraft Java 1.21 — popular picks include Advanced Compounds & Alloys, Create Little Sorcery, Hearth & Horizons.
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Advanced Compounds & Alloys
AC&A is a very large mod mainly based around science. It is MOSTLY scientifically accurate, but of course not completely, some things are simplified for gameplay (though not massively) and some things I have not been able to find good sources.
Create Little Sorcery
Do you like Create? And want little sorcery? Now, try this project! Main about Create 6.0.0+ and Ars Nouveau, also build on NeoForge 1.21.1 !
Hearth & Horizons
Hearth & Horizon combines cozy homesteading with a immersive tech, from early survival and farming to electricity, factories, vehicles, and airships. Build a base, grow it into a working settlement, and eventually turn it into a connected industrial world.
CATACLYSMIC CHRONICLES
A modpack combining Create, magic mods, RPG mechanics, and exploration with optimized performance for a rich multiplayer experience.
DriedFlower
DriedFlower is a unserious and grindy modpack, that sets in the Wastelands. The player's main goal is to create a portal to the Overworld.
Edenpunk SMP Modpack
This is a modpack created for my personal SMP server, it has a mix of Vanilla+, Tech and Magic mods that are meant to cater for as many playstyles as possible while still running on low-end pcs. It's a mess but also a bunch of fun

Aeromatic: Cafe in the Sky
Explore the Skylands with Gliders and Airships
Illuvia Prime Project
A modified version of the Technical Electrical: Secret Schemes Modpack by waddon1. Modified to have some additional features like PlasmoVoice for the Illuvia Prime Minecraft server.
Pookie Mod
Don't hurt your pookies! (anti friendly fire mod)
Mace Burst No Fall Damage
No more dying using wind burst!
Gateways
A vanilla-esque teleport pad mod for both blocks and entities with redstone compatibility
AtomicCrash
A different way to surprise cheaters.
Advanced Packaging Tool
The missing plugin manager for Minecraft 🍺
GM's Optimized Neoforge
A 1.21.1 Neoforge focused on optimization, exploration and multiplayer.
Wizard Society Server Modpack
The official Wizard Society server modpack!
The ShadyBunch
Ever wanted to explore magic as a law-loving scientist? Command airships by night and be an interior designer by day? Or, a Pixelated chef running two restaurants in your new metropolis city? It can all be yours! Step into the shade, lets bunch together!
ExPlayerCompass
Track players with magical compass!
Enhanced Vanilla Experience
An Enhanced Vanilla Minecraft Experience
Arcanetech - Trial of The Ages
Arcanetech is a modpack that blends ancient magic and retrofuturistic technology in a challenging progression. Explore a world where valves, gears, and arcane essences power machines and shape reality.
MagicCommands
MagicCommands is designed to provide dynamic command execution using ChatGPT. The plugin allows players to input requests, which are then processed and converted into executable Minecraft commands.
Architect’s Toolkit
A builder-focused modpack that adds powerful tools to make creative building faster and easier.
QuarryPlugin
⚒️ QuarryPlugin Automated Mining, Done Right Always wanted a BuildCraft style quarry in vanilla survival?
Pasta's Server-side Cobblemon Experience v2
A smaller version of the main modpack containing only the things necessary to run it on a server. This is for v2.
Just Around The Block
Whether you want a cozy backyard or nail-biting adventure, it's Just Around The Block!
WelcomeX
WelcomeX is a lightweight, fully customizable Minecraft plugin that warmly greets players with titles, messages and sounds to create a memorable first impression.
Kwemlys Community Pack
"Official" Modpack for Kwemly's Vanilla+ Server
Flame Mace
A powerful fire themed mace weapon with passive fire resistance, regeneration in lava, and three ultimate abilities including air dash fire ring on hit and unstoppable lava damage.
JEO - Kasai Edition
Modpack With optimalization and Membercat Studio's Mods and textures
Voidbound Chronicles
A modpack focused on exploration, adventure, and technology, designed for multiplayer gameplay with friends. It combines cutting-edge optimization with a massive expansion of the End and Nether dimensions, adding role-playing game mechanics.
PuppyClicker
Connect Minecraft to PuppyClicker with self-clicks, friend-bound clickers, and opt-in advancement and damage actions.
Steam n' spells
A modpack that combines technology and magic
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!
Potato Perks!
Potatoes that give you super powers!
Clockwork SMP Modpack
Clockwork SMP is a Create Mod based feature-packed modpack for anyone!
Steamspire Syndicate II
Steampunk modpack thats centered around automation.
Silkiest Touch
This is a simple datapack that allows chorus plants, suspicious sand and gravel, budding amethyst, both types of spawners, and a dirt path to be dropped with silk touch.