Minecraft Java 1.21 Mods
Browse 2,758 free mods for Minecraft Java 1.21 — popular picks include Ars Expanded Combat Compat, Call Your Happy Ghast, Withering Enchantment.
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Ars Expanded Combat Compat
adds Compatability between Expanded Combat and Ars Nouveau
Call Your Happy Ghast
Easily call (whistle) your happy ghast with a goat horn to teleport it to you

Withering Enchantment
New enchantment for swords that applies wither
SDM Shop Money Earning
Earning money from SDM Shop mob by killing mob
Infinite Infinity
Allows any item to be enchanted with Infinity.
Penchant
A rework of enchanting, centered around leveling up enchantments through usage

Fathoms
Dredge the depths, seize the seas, and find secrets untold deep below the waves...
Tnt Limiter
A mod that limits the number of tnt rendered by the client to decrease lag with massive tnt explosions by an insane amount
Mechanical equation GUI Add-on for Shulker Box Tooltip mod
This is an add-on for Mechanical Equation GUI pack,It made unique textures for most of the GUI images of Shulker Box Tooltip mod.

Starfield Pastoral
This mod brings a near full-scale Stardew-style life sim experience into Minecraft. Find the Wizard’s Tower in the overworld, travel to the Stardew dimension, inherit your grandfather’s farm, and begin a long, relaxing life.
TChat
The most advanced (modular) chat plugin
DupePlus
A Dupe Plugin /dupe on an item, and it duplicates it.
Cobblemon Move Tutor
Adds a Cobblemon NPC for Tutor moves!

Pocket Dimensions
This project introduces a fascinating item to the game. It's similar to a bundle, but with a ROOM inside. You can build whatever you want inside and take it with you!

Poisoning Enchantment
New enchantment for swords that applies poison
Spell Engine Extension (RPG Series Tweaks)
Extends the mod 'Spell Engine' with additional functionality.
CobbledStops
PokeStops in Cobblemon that give you small loots just like in Pokemon GO!
Hardcore Revive+
A highly configurable data pack that lets you revive your friends in Hardcore mode.
Create: Dimension, Steamworks Realm
Create: Dimension, Steamworks Realm introduces a brand-new mining-focused dimension, designed for automation and large-scale resource extraction. This world is filled with rich veins of ores
Origins: Undertale Yellow
9+ new Undertale Yellow origins for the Minecraft Origins mod
Logical IFrames
Reinvents damage invulnerability (AKA red flashing) to be more threatening and challenging.
WildEncounters [Cobblemon]
WildEncounters adds wild grass from the Pokémon games.
LightWithin - Player-specific unique powers!
This mods uncovers a new and player-unique power: the Inner Lights! Yes, a magical-ish power that changes from player to player!
[🎄] Seasonal Decorations
Decorate your world for Halloween with spooky candles, carved pumpkins, coffins, and eerie details to bring true haunted atmosphere to Minecraft.
Visual Tweaks (Player Customization)
Client-Side mod that allows you to visually customize; Armor Pieces, Damage Flash, Enchantment, Nametags, Hands, & more
Holo Damage Indicator
Adds client-sided, customizable and animated damage indicators when entities take damage/heal.
Moar Swords
The Moar Swords datapack adds a bunch of new sword types to the game. Instead of just being statistical upgrades, each sword has a unique ability or use to make them each stand out.
Timber Enchantment
New enchantment for axes to mine connected logs!
Moar TNT
Moar TNT adds loads of new creative, crazy, dangerous new TNT to the game. Blow up your friends, mine for diamonds, or flip mobs upside down. So much TNT, with so much potential for fun!

Progressive Archery
A vanilla-style mod that reworks and expands on archery & projectiles, as well as some quality-of-life improvements.
ValhallaMMO
Specifically designed to counter the 2-week gameplay cycle. Keep players active for longer! (Also known from The Realm SMP!)
201 Trainers [Cobblemon]
This datapack introduces Trainer NPCs that roam the world, offering players the chance to challenge them in battle and earn exciting rewards!
Mine Glass Without Silk Touch
Mine glass with your hand or any tool! - You don't need silk touch
Lifesteal Plugin
A fully customizable, production-grade Minecraft plugin that implements a complete lifesteal system with hearts, bans, revives, MySQL support, advanced crafting recipes, and full admin control — designed for scalable SMP servers.
Trickster
Learn magic and create spells from scratch. The only limit is your creativity!
Minecraft but Taking Damage Deletes the Chunk
Taking damage will delete the chunk you are in.