Minecraft Java 1.21 Mods
Browse 2,270 free mods for Minecraft Java 1.21 — popular picks include SerialCraft, Fryed Eggs, Mr. President.
Updated daily
SerialCraft
Bring Redstone to life! A simple mod to connect Arduino and Minecraft via serial port. No complications, just plug and play.
Fryed Eggs
Fried eggs is a Datapack that adds different ways to cook eggs and other dishes that are usually eaten for breakfast
Mr. President
"The most TREMENDOUS plugin EVER created!" Mr. President transforms your server into an intense comedic dystopia where an AI-powered dictator issues ridiculous orders, launches missiles at disobedient players and treats everyone like the peasants they are.
Evil Experience
Experience comes at a cost.
Magicians Live Forever
Magic mod with coca cola, wandering traders, and a whole lot of surprise!
ElytraRemover
remove the elytra from the item frames in the endcity's boat
StageFX
Working Moving Heads for your Light Show!
The Lost Levels
The Lost Levels is a Backrooms-inspired horror and exploration mod that adds several liminal dimensions to Minecraft.
Carpet-dwk-Addition
This mod adds new rules to /carpet
how low can you go
Rewards you for going deeper in the world with increase spawn rate of ore except diamonds

Regen Food on Sleep
Sleeping now replenishes your hunger bar
Quiet Apocalypse
Atmospherice, cosmic horror mod (megalophobia)

Re:zer0
Die, return, try again. When cursed by the Witch of Envy, death becomes a checkpoint that rewinds your body, inventory, and the world itself.
RottenPlayer
Mod that adds a PlayerState that turns Players into moribund skeletons.
DEXHUNT
A Minecraft PvP mod inspired by Dexter, where players must find and hunt hidden killers.
Ry's Notch Apple
Reintroduces the classic Notch Apple / Enchanted Golden Apple original crafting recipe.
Solid Entity Hitboxes
This server-side mod makes certain entity hitboxes solid
Sugar doubles
A recreation of the datapack used in NewKiddo’s “sugar doubles” series
Chickens do FLY
Chicken do fly! Allows you to glide down with chickens
ZeeInfused
A competitive PvP plugin where kills reward you with permanent positive effects and deaths curse you with negative ones. Inspired by the Infuse SMP created by InfamousJJ and Dione
Mud to Clay Smelting Recipe
This data pack adds a smelting recipe for furnaces to turn mud into clay.
Doom Music Disc
This mod adds a music disc with the classic Doom Eternal song "The Only Thing They Fear Is You"
Usefuller Ghasts!
Configure the speed of happy ghasts (up to double speed) and craft an exotic new item that makes your happy ghast shoot fireballs!
Glintless Books
Remove the enchantment glint from written books
OSU Touch Grass
Actual osu! lazer running inside the CoreCLR embedded in the Minecraft JVM, sharing a GL texture with it. With multiplayer
[WLR] Working Lightning Rod
this project makes lightning rods work even if they aren't placed
Realistic Days
This datapack makes minecraft days/nights last 12 real-life hours. A dreadful addition to your next 100 days world...
Hotter Mania
Mod updates savannas, deserts and badlands
Spawner Overhaul
Overhaul spawners by making them unbreakable, requiring a specific cursed enchantment to break them.
Ranold's Better Squids
Improves Minecraft squids!
Sweet Apocalypse Biome
Dive into a world transformed by confectionery chaos with the Sweet Apocalypse Biome mod!
Everything's Exploding!
Make all mobs/animals behave like the creeper

Death Time Ban
A Datapack that lets you ban players for a customizable period of time.
Simple Clip
A plugin that allows you to smoothly noclip through blocks in creative mode with the help of a client side mod. Similar to Axiom no clip.
abc: useless achievements
Adds useless achievements to the game by completing meaningless tasks
TBS Paper disc13 effects
A simple paper plugin that when you play disc 13 black particles surround the jukebox referencing the broken script horror mod.