Minecraft Java 1.21 Mods
Browse 1,046 free mods for Minecraft Java 1.21 — popular picks include Amethyst Reborn, Invasion Ferrocerium, Mob Rockets.
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Amethyst Reborn
Amethyst Reborn — a complete reimagining of amethyst in Minecraft. Adds a deep processing system: from dirty ore to magical ingots. New tools, armor, a unique staff that sets enemies on fire and throws them into the air, and underground Amethyst Vault stru
Invasion Ferrocerium
The machines are here, and they have fire!
Mob Rockets
Send hostile Overworld mobs on an explosive one-way firework rocket ride! For hand-held, crossbow, and elytra use.
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!
Worlds O' Plenty II
A new & updated curated modpack featuring all sorts of experiences!: - Adventure! - Decorations! - Bosses and Mobs a plenty! And of course... *drum rolls* Plenty of Worlds to explore! - Updated to 1.21.1 Neoforge!
RealNpcs
RealNPCs is a highly advanced, cinematic PvP bot plugin designed for recording epic 1v100 horde battles and realistic bot combat in Minecraft!
Come Here!
Have you ever wanted to capture mobs in minecraft? Well now is your chance!
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.
Kibs Robots
Mod that adds little cute robots to do tasks for you.
Entity Logger
Entity Logger is a utility mod that records mob positions in real time and saves them into a log file.
Rc Creeper Mod
This mod adds remote controlled creepers(which can explode!)
DupeTrace is now AntiDupePro
Please switch over to AntiDupePro - Twice as Good!
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.
Lume's World
mobs can break blocks, theres gravity, and theres the create mod (and theres also VR)
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
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
Loler's Gems
Adds mob gems that have certain abilities and/or perks! (WIP)
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.
Rose Crystal
Just a somewhat random mod with things that I find nice
Eternal Ascension
An immersive RPG progression mod overhauling combat attributes, custom magic damage tags, and scaling mechanics.
Compostable
Survival friendly plugin that makes more things usable for the composter block, like rotten flesh and fish!
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.
Reawakened End
An end update for Minecraft finally! Created by Pjluna and ShadowB.
Feline Presence
Learn the secrets of your feline companions and repel creepers with this leggings enchantment !
Skylife
A Skyblock with the goal to make everything different (at least a bit)
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.
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.
SoundPoints
A plugin that lets you create points in the world with customizable sounds and mob spawning.
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.
UltraEvolution
🧠 Transform Minecraft mobs into intelligent, adaptive civilizations that learn, evolve, raid, build secret bases & upgrade gear. No more dumb mobs — ever.
Conquest Online
The "Conquest Online" Mod is part of the "Soncresity: Conquest Online" Modpack and also part of the Soncresity Universe.
RecipeSpawnerMob
Show recipe For crafting mob spawner
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.
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
NoCollision
NoCollision allows you to disable or fine-tune collision between players, mobs, and players vs mobs.
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.