Minecraft Java 1.21 Mods
Browse 108,823 free mods for Minecraft Java 1.21 — popular picks include Moderately Enough Effect Descriptions (MEED), Underlay, Zombie Extreme.
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Moderately Enough Effect Descriptions (MEED)
JEED/Emiffect addon with support for over 95 mods and 500 status effects!
Underlay
Place any block (such as carpets) inside anything!
Zombie Extreme
This is a Big Mod that adds a bunch of new mechanics and a large number of zombies and infected to your minecraft world. In order to study a new biome, you need a Chemical Protective Suit, if you do not break at least one part, most of the radiation will i

Ocean's Delight
Ocean's Delight is an addon mod for Farmer's Delight based around adding culinary content to the ocean!
Ascended Quark
A small mod that aims to bring compatibility between quark and the Aether mod!
LDLib
A libarary for rendering, gui, basic stuff, etc
Ash Of Sin: Soul Like Boss Battle
When a player dies near a specific entity, the entity will regain health up to its maximum health value.
Thirst Was Taken
Modern take on thirst, compatible with Create, Farmer's Delight & more
Hopo Better Mineshaft
More and better mineshafts to explore
Immersive Tips
Adds rich-text tips to the loading screen and items, crowdsourced and updated automatically.
Traveler's Titles (Fabric)
Epic, RPG-like titles when entering biomes & dimensions!

Villages&Pillages
Structure mod that brings an exciting twist to Minecraft by introducing hostile and unfriendly pillages, providing a thrilling contrast to the peaceful villages.
Notes
A clientside mod that provides a fully functional in-game notepad.
Certain Questing Additions
Small QoL and animation tweaks for FTB Quests.
cat_jam
clientside mod that makes cats jam to the rhythm of music discs :3
Demi's Sky Arena
Imagine the strongest mobs from all mods gathered in one place
FTB Quests Optimizer
Mod to improve quest performance for servers
Pineapple Delight
Take Pineapple to Minecraft!
Horseman
Improved horses: fast hitching, smooth riding, QOL features and more...
Cataclysmic Combat
Adds support to L_Ender 's Cataclysm for better combat
FTB Ultimine (Fabric)
Harvest multiple blocks at once
EnergeticSheep
Sheep that generate energy
Luki's Grand Capitals
Rebuilt vanilla villages and illager structures to breathe new life into your world!
Updated Aquaculture
Updated textures for Aquaculture 2
Extra Spell Attributes (RPG Series Tweaks)
More RPG Attributes!
Create: Power Loader
A Create mod add-on adding immersive chunk loaders.

Fog Overrides
Fog control for Minecraft made easy
Malum
Malum is a magic mod centered around a new field of magic known as spirit arcana
Immersive Vehicles
Realistic planes and cars for Minecraft!

Dynamic Trees - Quark
Compatibility Mod between Dynamic trees and Quark
CarrasconLib
A library for ECarrascon Mods
Create: Radars
Adding advanced surveillance technologies to Create!
Snuffles
Adds Snuffles, a new mob to snowy biomes!
ItemLocks
Lock your inventory items to prevent accidental loss of items.
Quests Lang Splitter
This mod adds a feature to split lang files for better version control, also adds some utility commands.
Modded Omelet - Modern Spawn Eggs
Modded Omelet is a resource pack made to not only backport the new spawn egg textures of 1.21.5 to older versions, but also adapt the spawn eggs of mods to match this new style.