Minecraft Java 1.21 Mods
Browse 316 free mods for Minecraft Java 1.21 — popular picks include Guardsman Levels (Specialization experiment), HotDay, AgonyMinus.
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Guardsman Levels (Specialization experiment)
Includes all the key aspects of the guardsman role so you can have fun practising and grinding in a single player world.
HotDay
The "Very Hot Day" plugin adds heat to Minecraft, in which players and mobs burn, plants dry out, and food turns into rotten flesh.
AgonyMinus
Adds various gimmicks and items and critters and whatnot
Minestuck: Cascade
A Minestuck addon that adds new dimensions, the ability to time travel and the ability to play as trolls.
More Collectables by Memontanik
This Project Adds More Stuff to Collect, Craft, Use and Break! It could be a fun experience with this Project!
Lumineth [Abandoned]
A Datapack in which you start on a brand new dimension to explore from cero! A whole new world with new mechanics, structures, items and mobs!
Villera
Turn villages into living economy hubs with biome-adaptive banks and markets, secure currency, rentable chunk claims and performance-friendly stacked spawners
TheConstant
A Fabric mod that channels Don’t Starve–style hardcore survival into Minecraft: manage health, hunger, and sanity; survive seasons, temperature, darkness, and food spoilage with crock-pot cooking and recipe planning.
Mobius
A Vanilla+ expansion featuring a mob leveling system, new ores and gear, lucky bags, and tea brewing.
Cherry Cabins
Adds a trans-themed cabin inhabited by a unique vendor! :3
twinkle popo mod
it adds twinkle popo realistic pikachu and realistic hellokity
RealisticHusbandry
Animals raised in good conditions, grow faster and give you more loot and XP. Heavy penalty for keeping animals in crowded pastures discourage players from keeping hundreds of animals in small areas that cause lags on your server.
Reel Rivals
Competitive fishing for vanilla Minecraft — 28 weighed species, craftable lures that target them, server records, a live catch leaderboard, and player-hosted tournaments with emerald buy-ins, trophies, and glory. No mods. No ops. Just /trigger.
More Speedrun
adds more fun things to help with speedrunning very chaotic too

PILLAGER ARMY
This mod adds new creatures, a new interface, and even magic. It also improves raids, making them more complex.
F&H survival
Dark fantasy survival mod that adds content from the game Fear and Funger
Fish Nerf
Cod and Salmon no longer drop food
From the Deep
Reel in fish and foes, with changing odds based on biome and time.
Improved Drops
Hi there! This mod for minecraft forge 1.20.1 adds some features that the game NEED: Thirsty system(not affects to health, only to saturation) New Deco blocks, like golden bars and chiseled gold New Crop - Pepper and nether pepper (soon)
Lean Times
Makes getting food harder.

THIS
Port of the Chickens mod, as well as roost!
Muddles
An early version of a mod consisting of my mcreator experiments
Steve's Custom Bosses Data pack
This data pack adds custom recipes, advancements, challenges, and bosses to the game, all with vanilla mechanics!
PecoraGenesis
PecoraGenesis enhances livestock with genetics, allowing special meat, milk variation, and persistent gene-based traits.
BulsciCraft
Enjoy this brand new mod that adds New Dimensions, Mobs, Items, Blocks, Unusual things and even a bossfight...
Veganism
Entities react to being hit and take revenge, animals scream and summon the Spirit of the Animals, and eating meat is punished by the Veganism effect. Supports Russian and English.
Overlooked
Overlooked is a Minecraft mod that adds new uses, recipes, and mechanics for items and systems that are already in the game but usually go ignored. Hence the name, features that I believe were 'overlooked', to make it more immersive, and fun!
Osmium
Datapack that tweaks/adds loot tables and recipes.
Mod but my Friends decided what's in it
lots of stuff, a huescape dimension, dragons, epic cave biome with game-changing mob, eldritch horror spider, Son Goku and more!!!1!!!
Guinermod
Survive a world invaded by the Guiners, new daylight enemies that spawn in large groups, and much more.
Easier Fish Farming
This mod gives you a toggleable keybind so itll throw out the rod when you reel it in, this is mainly made for servers so auto fish farms will work continuiously just look at the noteblocks, hold right click and toggle the mod
Hollow Knight Reimagined: HollowPlayer
brings the magical abilities and mechanics of Hollow Knight into Minecraft.
PetLeveler
Level up your tamed wolves. Dogs gain XP from combat, grow stronger, and unlock unique abilities like Splash Bite, Fire Resistance, and Lifesteal
Cavernous Unearthed
This mod adds vanilla style cave biomes and features.
Savi Over a game
My first mod introducing: Savi, Biome and more!
InventoryRandomizer
This plugin adds the ability to randomize players inventories with configurable delay