Minecraft Java 1.21 Mods
Browse 1,029 free mods for Minecraft Java 1.21 — popular picks include The Copper Joke, Yahooste!, QinhCoreLib.
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The Copper Joke
This Datapack makes silly changes to the new Copper Age Minecraft update.
Yahooste!
Yahooste (Yahoo + Paste) — a simple mod to save and quickly paste text snippets into chat that are tedious to type out manually. sadly, its only on russian language.
QinhCoreLib
Shared core library for the Qinh plugin suite. Unifies item sources (CraftEngine, ItemsAdder, Nexo, MMOItems, MythicMobs & more), attributes, custom-block & model bridges, and scripting. Required by QinhItems, QinhSkills, and other Qinh plugins.
vSafeMobs
Spawn Mobs, with custom attributes. Such as (scale, health, AI, attack, e.t.c.)
Cybermania
The world is being invaded by Machines! Can you Survive?
CustomDrops Pro
A plugin that lets you edit the rewards received from monsters. Supports IA IE IT MM and can be easily edited.
SecureLogin MC Plugin
/login plugin for Minecraft servers. Protect player access and enhance your server's security.
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
Plasmaware
A science fiction mod that adds plasma tech and a new dimension waiting to be explored
HypeSpam
HypeSpam protects your Paper server from toxic chat, repetitive spam, and bypass attempts like leetspeak or character flooding. Everything from warnings to mutes is automated, while admins manage it all through a clean, paginated GUI.
Parent
A mod where you go through layers of dimensions to fight your father
Void and Full
A necessary mod to bring the creatures, magic and weapons of the Void Gifted Server to players.
SLSpawner
Auto spawn - addon for Mythicmobs
Arrow Owner
When an arrow is shot it will store the Owner and the UUID of the entity that shot it so you can bus those arrows along to your newly made voodoo machine
BetterPVE
BetterPVE improves vanilla Minecraft PvE with progression tasks, cave encounters, stronger mobs, useful automation blocks, PvE currency, rewards, and a built-in shop.
The Upper
My Minecraft mod adds a completely new dimension to the game.
snowball easy farm
Simplify (and automatize) snow farms by making them stick to the cobwebs
Aetherlight
Aetherlight mod for aetherlighters, adds automatons to fight and aethermeter, is still being worked on.
Pixel Combat
Pixel Combat is a professional, zero-dependency PvP combat plugin built for competitive Paper 1.21 servers.
Stream Control
Stream Control lets your Twitch chat control Minecraft in real time with movement, actions, custom key inputs, and Bits-based mob spawns.
MaxEntitiesInChunk
Manage or Restrict the number of entities in each chunk. specially adapt to Mohist Server.| 限制每个区块的实体上限,并适配Mohist。
Soul Works Mod
This is a mob spawn utility mod.
VillagerGuardian
A lightweight admin utility plugin for controlling villager invulnerability and trades.
Damage Dummys
Adds Damage Dummys for each tier of armor that display how much damage was delt to them

Resource Bees
Adds resource bees that help you gather ores automatically!
Rideable mobs
Rideable Mobs - Ride any mob with WASD, jump and shift controls
Monster Energy Pack
Monster Energy Pack is a resource pack that adds 11 types of real-life Monster energy drinks to the game
The Star Defender
Protect your base from phantoms and ghasts!
20TPS
20TPS is an all-in-one performance toolkit that stabilizes your server by limiting lag machines, stacking mobs, and fixing common exploits.
Mob Power DP
This data pack allows you to level up every time you defeat a mob, granting you various enhancements upon leveling up.

Modern Morph
A modern port of iChun's iconic Morph mod
MobCollector
Automated mob farming made simple
Create: Bionics - Faster Oxhauler
A simple datapack for Create: Bionics that increases the Oxhauler's movement speed by 2×, making transportation much faster and more enjoyable. The speed multiplier can also be easily customized to any value you prefer.

ME Spawner
An AE2 addon that adds an ME-powered mob spawner.
Glazed Client Mod (26.1.2, 1.21.1) – Meteor Addon for DonutSMP Server
Glazed Client Mod is a free addon for Meteor Client, designed to enhance gameplay on the DonutSMP server. This addon automates repetitive in-game actions to save time and provide an advantage. Features: Elytra Swap: Automatically switches between Elytra and Chestplate depending on the situation. Auto Inv Totem: Automatically places a Totem of Undying in the […]
Mob Grinding Utils Vanillafied 16px Resource Pack (1.21.11, 1.20.1)
Mob Grinding Utils Vanillafied 16px Resource Pack replaces the textures in the Mob Grinding Utils mod. It changes the look of all the machines, tanks, and items so they match the normal Minecraft style. This pack gives the whole mod a fresh coat of paint, making everything look like it belongs in the base game. […]