Minecraft Java 1.21 Mods
Browse 22,311 free mods for Minecraft Java 1.21 — popular picks include SleepSkipUltra, Heal Happy Ghast, WheatMultiplier.
Step by step: How to install Minecraft Java mods & modpacks
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SleepSkipUltra
Smooth Minecraft sleep plugin for Paper, Folia, and Spigot with night skipping, sunrise transition, day counter, PlaceholderAPI, and per-world support.
Heal Happy Ghast
A datapack/mod that heals Happy Ghasts by 2 hearts when you throw a snowball at them.
WheatMultiplier
Farming wheat with a fortune-enchanted hoe drops wheat at the same rate as other crops.

Resurrections
This is a Minecraft mod I made for my hardcore multiplayer server. After a player dies, they drop their soul which can be placed in the reviving station and revived.
Villager Defense
Villager Defense is a highly customizable plugin that adds a cooperative and/or competitive minigame under the theme of defending villagers.
Wandering Trader Command
A mod that adds a command to emulate the natural spawning of Wandering Traders. Use /spawntrader to give it a try!
Cmoothies
Adds alternatives to potions!
GK1H Accessorify+
Add-on for pajic's Accessorify made by GK1H.

Endurance
Adds a status effect that will save you from dying and (barely) keep you alive.
NetherComplication
Make the nether harder.
DyeableConcrete
A datapack that allows you to dye white concrete and white concrete powder the same way you dye white wool.
Drown Panic
"An immersive mod that enhances survival atmosphere underwater with a wide screen vignette (tunnel vision) and realistic heartbeat sounds when drowning."
Flux's Improved Wolves
A Simple Datapack that Improves Wolves with new Features and Better AI that is based on a video
PetManager
This is a mod that provides a universal pet terminal for managing and teleporting pets, similar to those found in online games.
Cobblemon ShldrFx
Its a customizable Cobblemon ShoulderEffects datapack. originally made for CobbleChaos server
"Townfall" - Dungeon in the sky
Data pack roguelike sky dungeon
Create: Jetpack-Vessel-Recipefix
Fixes the duplicate recipe conflict between the Small Filling Tank (Create Stuff 'N Additions) and the Fluid Vessel (Create: Connected).
Revivalix
Adds a simple revival system where death is permanent until another player revives the deceased using a time-consuming recipe or other cruel methods.
Three Lives
A paper plugin that makes a 3 life system.
Everyday Food
Unwrap a daily basket full of delicious cooked foods!
Molten Tools - Better than Netherite!
A Mod that adds new "Molten" items, blocks and armour. Made using MCreator.
Sertraline Item V3
26.1 - Folia support - 1.21.4+ - The modern and interactive Item Plugin with Script and Data-Components.
Meds And Herbs Reborn
Adds new in-game mechanics, medicine and poison.
PowerSMP: Ultimate
PowerSMP adds unique powers and custom abilities to your Minecraft SMP.
Luca's Killtoken Plugin
The plugin kildtoken drops a custom currency item when a player kills another player. It includes a pair-based cooldown to prevent farming and allows setting the currency item via command.
Create: Easier Sheets
Introduces the Sturdy Hammer a tool that lets you manually press any valid ingot into a sheet on a Depot without needing kinetic energy.
LogicCraft
LogicCraft adds “vanilla+” enhancements focused on immersion and quality of life: dynamic lighting with items, smarter sand/gravel physics, XP fusion, biome titles, oxygen bottles, cave tremors, ambient drips, quick campfire cooking, door synchronization,
SG Mob Trims
A mod that adds a chance to add armor trims to mobs with armor when spawned.
Sign Gravestone
Places signs on death with death message and time of death
AngrySlingshot
Mod adds Angry Birds like slingshot to the game!
RadiationPlus
A plugin that adds radiation to the server
Keyconomy
An economy datapack based around trial keys. It has shops included!
Chalk: Chars
Adds letters, numbers and punctuation symbols to Chalk

Peaceful Plus
Beat the game in peaceful mode!
Rock
A simple mod that adds decorative pebbles to the Minecraft world generation without the need of resource pack.
MISC3LLAN3OUS
A miscellaneous mod that adds miscellaneous things.