Minecraft Java 1.21 Mods
Browse 12,329 free mods for Minecraft Java 1.21 — popular picks include Balance Silverfishes, Dungeons Monstera, AnimationManager.
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Balance Silverfishes
Makes some small tweaks to the silverfishes
Dungeons Monstera
Brings the monstera from Minecraft Dungeons into the game.
AnimationManager
Player & MythicMobs Entity Animation Plugin
RTN's Economy Library
Server-side economy library with rewards for killing mobs, kill combos, top lists and a developer API. Vault-style economy for mods in Minecraft.
Villager Eggs
Add two recipe (villager and zombie villager) and two advancement.
SecureLogin MC Plugin
/login plugin for Minecraft servers. Protect player access and enhance your server's security.
Daniels Amazing Uranium Mod
This mod adds uranium, a boss named Daniel, and MUCH MUCH more! enjoy :-)
CustomDrops Pro
A plugin that lets you edit the rewards received from monsters. Supports IA IE IT MM and can be easily edited.
The Upper
My Minecraft mod adds a completely new dimension to the game.
The Watching World
A per-player karma score the world reacts to. Kindness (planting, taming, building) earns favor: animals approach, gifts drop, daylight healing. Cruelty earns dread: monsters hunt you and crops grow slower. Server-side, 1.21+ (Paper/Spigot/Bukkit/Purpur).
Gamble Drops
Gamble drops is a Datapack where ever block drop or mob drop is rolled by (0 to 4) and you either get nothing or more than usual drops
NoMob-Pigs
NoMob-Pig — Completely removes pigs from your server by preventing spawns and purging existing ones.
Tech's Token
A Token Plugin by @TechadronGamingYT
banchick
Disables chickens from hatching out of thrown eggs.
Abnormal Additions
Expand your default experience with all sort of not forcibly conventional things added to Minecraft
RenciMobChaos
breaking certain blocks will spawn a random mob next to the player
Mobs Colliding (XantamCollision)
Lets you define specific mobs and their behaviour on collision.
husks drop sand and gravel by YoungEagle
a simple datapack that makes husks drop sand and gravel
quartz to prismarine crystals in cauldron
vanillatweaks cauldron mud datapack modifed to convert cobblestone into prismarine crystals.
Tuxy's PvP Modpack
A lightweight PvP modpack designed for higher FPS, smoother gameplay, lower latency, and improved competitive visibility.
Better Crosshair — Modern Clean Crosshair for PvP
A modern, clean crosshair replacing the vanilla default with a sharper design seen in competitive games.
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.
SpawnerSilk
Mine monster spawners safely with Silk Touch! Extremely lightweight and highly customizable.

Patcore mob attribute
This mod simply adds attributes and a leveling system to mobs, similar to ARK.
Spawner Capacity
Limits each mob spawner to a configurable number of successful spawns before clearing its entity and leaving an empty spawner behind.
Blood Moon: Night Hunt
Automatic Blood Moon nights, stronger mobs, new cursed enemies, weapons, charms, and rare loot for Minecraft Fabric.
Tenebris - Advanced Dungeon System
Free advanced dungeon system with bosses, keys, rewards, stats, MythicMobs and PlaceholderAPI suppor
Proprietary Teams Bridge
Mod to bridge Priopetary Teams mod to FOSS alteanatives
Aetherlight
Aetherlight mod for aetherlighters, adds automatons to fight and aethermeter, is still being worked on.
Trades And Treasures
This project adds alot of new things, New mobs, New blocks, New tools, New armor, New minerals, New structures, New ways of trading, Treasures, And ALOT more!
GeometryDashMC
minigame inspired by Geometry Dash that lets you compete with friends, beat difficult levels and play together whenever you’re bored. Challenge yourself, improve your timing and try to become the best on the server. Perfect for quick games with friends or
Breedable HappyGhast
Breed happy ghast by feeding snowballs to them.
Bedrock's Skeleton
Adds a new mob: a Skeleton armed with a minigun instead of a bow. Summon it with a simple structure and watch chaos unfold.
The Ardium Adventure
Ardium and associated items and mobs.
Wet
Give entities fire resistance for 5 sec when standing in water or rain.
RaceChallenge
Competitive Timed Challenges for Your Server !