Minecraft Java 1.21 Mods
Browse 1,029 free mods for Minecraft Java 1.21 — popular picks include DupeTrace is now AntiDupePro, Entity Logger, Lume's World.
Updated daily
DupeTrace is now AntiDupePro
Please switch over to AntiDupePro - Twice as Good!
Entity Logger
Entity Logger is a utility mod that records mob positions in real time and saves them into a log file.
Lume's World
mobs can break blocks, theres gravity, and theres the create mod (and theres also VR)
MCELO
A high-performance, feature-rich Minecraft Practice plugin designed for 1.21.11 competitive play. This plugin provides a complete ranked environment with Elo ratings, personalized kit layouts, and automated arena management.
Crystal_haerts
Crystal Heart is a magical Minecraft mod that introduces a powerful crystal heart item that absorbs energy when players defeat mobs or other players. The stored energy can then be used to activate special abilities and potion effects, adding a new combat
Compostable
Survival friendly plugin that makes more things usable for the composter block, like rotten flesh and fish!
MONEY-MONEY
Adds a simple money system to Minecraft. Earn money from mobs and use 100 / 1,000 / 10,000 bills with a control book.
Rc Creeper Mod
This mod adds remote controlled creepers(which can explode!)
Conquest Online
The "Conquest Online" Mod is part of the "Soncresity: Conquest Online" Modpack and also part of the Soncresity Universe.
NewPlayerProtection
A powerful and fully configurable Minecraft plugin that protects new players from PvP, mobs, and damage, ensuring a fair and smooth start on any SMP server.
Feline Presence
Learn the secrets of your feline companions and repel creepers with this leggings enchantment !
SoundPoints
A plugin that lets you create points in the world with customizable sounds and mob spawning.
eGENS
Drop-in generator plugin for Paper & Folia 1.21.x. 28 premade tiers across 3 themed chains (vanilla, mob, elemental), MySQL multi-instance, anti-dupe hardened, full Vault, PlaceholderAPI, hologram, and protection-plugin integrations.
Rose Crystal
Just a somewhat random mod with things that I find nice
Come Here!
Have you ever wanted to capture mobs in minecraft? Well now is your chance!
UltraEvolution
🧠 Transform Minecraft mobs into intelligent, adaptive civilizations that learn, evolve, raid, build secret bases & upgrade gear. No more dumb mobs — ever.
MobSpawnBlockerPL
MobSpawnBlocker is a lightweight plugin for Paper, Spigot, Bukkit, Purpur & Folia that allows you to block specific mobs from spawning using an easy-to-edit config.yml.
hfobjectives
"HF Objectives is a dynamic mod that brings a fresh layer of excitement to your gameplay with customizable objectives. Whether it’s gathering resources, eliminating mobs, or surviving unique challenges like standing on a block without taking damage.
Eternal Ascension
An immersive RPG progression mod overhauling combat attributes, custom magic damage tags, and scaling mechanics.
AI Friend by Kurzer
AI Friend adds a new NPC to Minecraft that communicates with you using real artificial intelligence via the OpenRouter API. Ask it anything, give it tasks — it will respond, move, and interact with the world!
RealNpcs
RealNPCs is a highly advanced, cinematic PvP bot plugin designed for recording epic 1v100 horde battles and realistic bot combat in Minecraft!
Kibs Robots
Mod that adds little cute robots to do tasks for you.
Toast Entity Health Indicator
This is a simple Fabric mod, that displays a toast (with health bar), that shows the health & name of the entity you are looking at.
my-bot-mod
Carpet-style fake players (bots) for Fabric 1.20-1.20.4 - spawn & control bots, non-blocking A* pathfinding, a Command Baton to send them anywhere, skins, inventory & ender chest access, and bots that persist across restarts.
Invasion Ferrocerium
The machines are here, and they have fire!
MythBoundMC
MythBound is a high-fantasy RPG Minecraft modpack built for exploration, progression, and immersive combat. Dive into a world filled with ancient ruins, dangerous dungeons, mythical creatures, powerful magic systems, and de
Loler's Gems
Adds mob gems that have certain abilities and/or perks! (WIP)
Myriad Horizons
Explore, build, and conquer in Myriad Horizons — a 1.21.1 kitchen sink pack featuring 175+ mods. From powerful machinery and magic to immersive farming, structures, and creatures, the pack offers freedom to play your way.
Copper Golem Patch
Copper Golem Patch gives every golem a persistent memory of which chest holds what, lets them gossip with nearby golems to share that knowledge, and makes them put down unsortable items instead of carrying them forever, sorting that actually scales.
Peaceful Silverfish
Peaceful Silverfish lets silverfish spawn from vanilla infested stone even on Peaceful. Great for Create farms and contraptions, but works perfect in vanilla too. Includes an option to mute silverfish sounds so your base stays quiet.
NoCollision
NoCollision allows you to disable or fine-tune collision between players, mobs, and players vs mobs.
MC Sooty Edition
MSE is RPG-like modpack. Overworld is all burnt, mobs are very strong, but you are not. Become stronger, and leave this forsaken place.
Sculk Eye
Adds a new Sculk Eye Block - scans entities of a given type in a given radius and emits redstone signal based on the count
AdmnMax
A powerful Minecraft admin plugin that gives you full control over players with features like mob spawning, movement locking, banning, inventory viewing, and more—all from an intuitive command GUI.
Trickster Golemancy
Adds golems to the Trickster mod!
RealMobScale
Realistic animal scaling based on real measurements | light-weight plugin.