Minecraft Java 1.21 Mods
Browse 514 free mods for Minecraft Java 1.21 — popular picks include A Mod About PWGood (Chapter 1), HotDay, Nonsense.
Updated daily
A Mod About PWGood (Chapter 1)
A mod about russian streamer PWGood.
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.
Nonsense
A new dimension with unique and creative biomes ...
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.
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
OP ORE
This Plugin makes ores op , the rarer the ore, the more overpowered the item you receive. Enjoy :)
Radiation Poisoning
This mod aims to be a challenging standalone experience that puts the player in the aftermath of a radioactive fallout.
Unstable Nether Portal Strike
This Datapack adds the Null Nether Portal Strike from the Unstable SMP.By holding an nether star given from a command in description named null, nether portals will start spawning, zombies will come out.

PILLAGER ARMY
This mod adds new creatures, a new interface, and even magic. It also improves raids, making them more complex.
Vegner's Rubies
A simple mod with simple goals - Improve the Superflat palette.
MobTwist
MobTwist is a Minecraft server plugin that allows you to toggle and manage mob replacement on your server. With MobTwist, you can block specific players, configure which mobs are ignored for replacement, and enable or disable mob replacement entirely.
SeasonalBehaviors
SeasonalBehaviors brings dynamic, immersive seasonal changes to your Minecraft world—altering weather, mob behaviors, crop growth, and villager trades to create a living, evolving environment. Experience nature’s cycle like never before.
Dept Collectors
You are broke, in fact; you are in SERIUS dept. To pay of that dept, the people you owe money has sent you to a strange world. You mission is to kill of other dept collectors in your way and pay of your dept.
Petrova Wastelands
Petrova Wastelands: An Interstellar Odyssey In a universe where the stars are fading, heat is no longer a resource—it is your only hope for survival.
Progression Reshuffled
A mod that focuses on reworking Minecraft's Progression, from Mob Tweaks to Tool Rebalancing
mob balls
This mod adds balls that can catch mobs with different tiers. More tier = More better (I know how grammar works! It just rhymes better)
Muddles
An early version of a mod consisting of my mcreator experiments
Warfre's Mob Personality
Enhance your vanilla experience with tons of variants and details.
PollutedLands
PollutedLands adds a dynamic pollution system where over-mining and exploitation in a chunk leads to environmental decay, corrupted mobs, and eerie visual effects, creating a harsher, more immersive survival experience.
BulsciCraft
Enjoy this brand new mod that adds New Dimensions, Mobs, Items, Blocks, Unusual things and even a bossfight...
Ravenborne
Class based medieval fantasy rpg mod based by Ravenborne theme!
Pedro II's End Update
This Minecraft mod adds the End Update to the game with 3 new biomes, 3 new structures, 1 mob, and 2 powerful weapon.
Random Eventy
When creating a new world you have a new button, there you can configure the randomness of your survival world!
Being Alone (BE)
This mod makes you feel alone... because you are...
Creepy Colorful
Creepers are now a colorful bunch thanks to Creepy Colorful!
Speedrun Scientology
Explore a new dimesion containing an infinite dungeon where you can explore, loot, and fight monsters as you try to escape.
A Little Darkness
This mod aims to increase the difficulty and variety of gameplay by adding content related to darkness in one way or another.
Bastion Reprieve
More piglins, less brutes. A compromise between 1.16.1 and modern Minecraft.
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!!!
Artmoby's Hauling Crates
A Minecraft mod for the ReUnitedSMP aiming to add crates. An out the ordinary way to implement economy, inspired by Scrap Mechanic.