Minecraft Java 1.21 Mods
Browse 272 free mods for Minecraft Java 1.21 — popular picks include BotArmy, Mythic Realms, Create Aeronautics: Survival Physics Staff.
Updated daily
BotArmy
This is a mod that can summon your own army of players. It uses carpet mod's fake player summoning capabilities to spawn offline players. You can command this army to attack any player on the server!!
Mythic Realms
In this version 1.0.4, the Mythic Realms mod, which was created by me (CarSantos7), you will have to fight and ally with mythical creatures, magic, explore legendary realms filled with unique creatures, treasures, and biomes inspired by global mythologies.

Create Aeronautics: Survival Physics Staff
This mod adds a new survival physics staff which has a survival recipe and uses backtank pressure as fuel.
Aji-Maji
A mod inspired by classical performance magic. Think top hats, card decks, magic wands, and flying carpets!
the Magnificent Fire-Breathing Sword-Swallowing Maw!
You, too, can breathe fire and swallow swords with this mod! Made for ModFest: Carnival.
Tensura Metalworks
Tensura Metalworks brings magical metallurgy to Tensura Reincarnated with new alloys, molten metals, Silent Gear materials, EP scaling, engravings, and legendary equipment.
ModFest: Carnival
Explore a demo world for 52 entirely new Fabric 1.21 mods of the theme: Circus and Carnival! Created in a Summer 2024 event hosted by ModFest.
Practice Bot by Cactuux
This datapack/mod lets you practice against practice bots. Requires Carpet Mod
Rimuru's Anti-magic Mask
The Mask from Rimuru from That time i got reincarnated as a slime
Tensura: Arcane
Tensura: Arcane is an add-on for Tensura: Reincarnated, adding new races and skills.
Savage Cyclopes Mod
This mod adds new and difficult foes to the game. They are similar to pillagers, but are stronger, faster, and more dangerous. All of the features were carefully designed to fit in with the vanilla game, yet still be unique. This mod is frequently updated.
Ty-Ty+
This is a exploration/visually-focused modpack with many mods included. However, care is taken to ensure reasonable performance.

PickMeUp
Pick Up Entities and carry them somewhere
Tensura Reincarnated Life In Another World
Tensura Reincarnated Life In Another World explores the reincarnated as a slime anime but in Minecraft
Warping Carrots (Teleport to Friends)
The most Vanilla-Friendly way to Teleport to your Friends!
TnT Cart Nerfer
This plugin lets you tune TNT minecart damage and control when protections apply.

Geodrum
Geodrum is Scary! Geodrum is Nightmare!
skeep's Cardboard Mod
Adds tons of cardboard stuff, ranging from cardboard tools to cursed cardboard phones and lots of other goodies!
Apothecary
A potion expansion with a large variety of different effects
From Animation To Minecraft
This mod contains the weapons and armors from different things like animation about minecraft like the Animation Life and the Annoying Villagers. And about other things that is interesting to be in minecraft like weapons and armors from anime and cartoons.
Ancient Worlds
Cobblemon 1.7.3 meets the Twilight Forest featuring fossilmon starters & magical theme. Complete the pokedex, train and earn badges, and progess through cobblemon challenges and contests. Live your best life among cobblemon, minecolonies, and seasons!
Unforgotten Memories
it just adds scary monsters that hunt you down at night
CartLimiter
A plugin that can cap the amount of damage a tnt minecart can do!
Apothecaria
Medieval Medicine comes to Minecraft
TNT Buff (Configurable)
Buffs the block damage and health damage caused by TNT and TNT minecarts.
MorayIndustryAndElderlyCare | 默锐工业与养老整合包
在 Minecraft 1.21.1 NeoForge 上,将硬核工业自动化与温馨田园养老生活完美融合的模组包。 / A perfect fusion of hardcore industrial automation and cozy pastoral retirement life on Minecraft 1.21.1 NeoForge.
CobbleZero
🌟 CobbleZero Modpack Summary CobbleZero is a custom Cobblemon adventure built for trainers who want more than just catching Pokémon. With gyms, NPC opponents, Mega Evolutions, and QoL mods, it’s the perfect blend of survival Minecraft and a true Pokémon
Gooners Go Beyond
A modpack made for multiplayer or single player with more dimensions, weapons (guns, tanks, plane turrets, new swords and spells), many more ores and mobs, also more technical aspects such as chemistry, better storage, planes and helicopters.
Mystic Adventures Remasterd
Embark on an epic journey in Mystic Adventures, a carefully curated blend of adventure, technology, and magic.
Enchantment Extractors
Remove enchantments from enchanted tools, armor, and weapons. But be careful, there might be unexpected side-effects.
Tarot Card Booster Packs
An add-on for shiroroku's/Suel_ki's Tarot Cards (Remastered) mod adding booster packs straight outta Balatro to complete one's tarot deck!
2Gather [Aeronautics]
A Create-focused modpack with advanced redstone logic using More Red, magic through Ars Nouveau and Apotheosis, engineering, automation, airships, exploration, and carefully selected mods for a polished, high-performance experience.
Eggo Cards
Lots of different Cards that give you different abilities.
FUN CITY CRAFT - Amethyst Edition
Cars, planes, weapons and building supplies
Play as Dragon: Cobblemon Trainers
Semi kitchen sink pack with Dragon Survival and Cobblemon being focus mods.
Cobblemon Dark
A Cobblemon modpack, featuring Create, Create Aeronautics, exploration, trainers, bosses and more.