Minecraft Java 1.21 Mods
Browse 323 free mods for Minecraft Java 1.21 — popular picks include Chicken Jockey Plus, Gleam, Petrova Wastelands.
Updated daily
Chicken Jockey Plus
Adds commands to summon different variant jockeys
Gleam
A lightweight, client-side Fabric mod that renders a light overlay to show exactly where mobs can spawn.
Petrova Wastelands
Petrova Wastelands: An Interstellar Odyssey In a universe where the stars are fading, heat is no longer a resource—it is your only hope for survival.
Copper Golem Reforged
Plugin that adds configurable copper golem upgrades with separate diamond and netherite behaviors
THIS
Port of the Chickens mod, as well as roost!
UniversalMobFoundry
New generation of generators! You can buy monsters, simulate their loot, and upgrade the generator.
Void Pressure
A flexible NeoForge framework for modpacks, providing a global pressure system to trigger fully configurable events.
MobCatcherPro
The Ultimate Entity Transport Solution for Minecraft 1.21+
The Exstras
A mod to add more items, recipes, blocks and more!
Chunk Ticker
Keeps selected chunks permanently loaded and fully ticking
CorePerformanceFix x SortSmart
A high-performance optimization plugin focusing on entity-ticking efficiency and automated item-stacking and you can use SortSmart
No Nether RoofSpawns
A lightweight Fabric mod that intelligently controls mob spawning on the Nether roof
Vanilla Heads
Adds a convenient and completely vanilla mechanic for obtaining player heads for decoration and construction in Minecraft
LeashedMobsTeleport
Teleport leashed entities across dimensions and allow leashing any type of mob with advanced protection.
CreeperChestSave
Chests don't explode but blocks do.
Caravans
Working pack-animal caravans for Paper and Purpur. Llamas follow in formation, carry 90 slots across saddlebag pages, run loot home on their own, and stand guard. Lead camels, wolf protectors, donkeys, and mules included.
Under The Seas
Discontiued For Certain Amount Of Time A new gameplay to minecraft by exploring the darkness of the sea
BioLock Scanner
BioLock Scanner is a NeoForge 1.21.1 Minecraft mod that adds a player-only redstone scanner for secure doors, bases, and automation builds. It can be mounted on floors or walls, has a configurable detection radius, and prevents mobs from triggering
RestrictMob
RestrictMob. It provides server administrators with a streamlined system to define Safe Zones where hostile and neutral mobs.
More Collectables by Memontanik
This Project Adds More Stuff to Collect, Craft, Use and Break! It could be a fun experience with this Project!
Replicator First Type
Evolving slimes harness solar energy and develop genetic mutations. Predatory spiders create evolutionary pressure. Features 12+ genes, horizontal gene transfer, DNA scanner. Watch natural selection in your Minecraft world!
Broomba
Silly little Minecraft mod that adds the ability to harvest brains from mobs, which you can put in roomba-like robots
SafeAFK
Monitor your Minecraft health remotely with a companion mobile app.
AvAI
This mod replaces the conventional Minecraft objective system with a basic decision tree.
RavenMobs
Zone-based mob leveling system with economy integration and dynamic stats
WardRegion
Region protection plugin for Minecraft 1.21 with wand-based selection, GUI management, whitelist access, flexible flags, particle previews, and MySQL storage.
Aegis system
a simple and very customazable rpg plugin that includes mana, abilities, classes and more!
P_Comandos
A plugin for commands in items!
Precast Structure
Add a mechanic to automate repetitive building projects.
RedstoneSpawnersReloaded
RedstoneSpawnersReloaded is a very simple plugin which makes Mob Spawners toggleable via a redstone signal.
Helldivers | For Super Earth
A mod adding content from the game Helldivers.
NPCSpeak
AI-powered Minecraft NPCs that actually negotiate, persuade, interrogate, and quest, not just chat.
technis
TECHNIS is a voice-activated AI assistant for Minecraft 1.21.4 - like Jarvis. Speak to the mic, TECHNIS sees your inventory, health, mobs, and replies with speech. Animated orb HUD, proactive alerts, info panel, in-game config. Requires Groq API key.
OrjusBlockStats
OrjusBlockStats is a powerful and lightweight flexible block tracking plugin designed for survival and competitive Minecraft servers.
Villager rollback
A datapack that is able roll back villagers that recently died. All of the villagerdata is saved.
AIWarriror
different AI, PvP, etc. will be added in the next updates.