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Minecraft Java 1.21 Mods

Browse 317 free mods for Minecraft Java 1.21 — popular picks include UniversalMobFoundry, The Exstras, No Duping.

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UniversalMobFoundry
1.21.5fabric

UniversalMobFoundry

New generation of generators! You can buy monsters, simulate their loot, and upgrade the generator.

86downloads
The Exstras
1.21.1neoforge

The Exstras

A mod to add more items, recipes, blocks and more!

82downloads
No Duping
1.21.6fabric

No Duping

Various toggles for disabling dupes (rails; carpets; tnt; gravity blocks; tripwire hooks).

81downloads
Gleam
1.21.10fabric

Gleam

A lightweight, client-side Fabric mod that renders a light overlay to show exactly where mobs can spawn.

81downloads
MobCatcherPro
1.21

MobCatcherPro

The Ultimate Entity Transport Solution for Minecraft 1.21+

79downloads
SquidGameZ
1.8

SquidGameZ

SquidGameZ is an automated 1.8-1.21.11 6-game Spigot tournament plugin with Vault rewards, spectator mode, and a dynamic lobby!

78downloads
Void Pressure
1.21.1neoforge

Void Pressure

A flexible NeoForge framework for modpacks, providing a global pressure system to trigger fully configurable events.

78downloads
Chunk Ticker
1.21

Chunk Ticker

Keeps selected chunks permanently loaded and fully ticking

75downloads
CorePerformanceFix x SortSmart
1.21.1

CorePerformanceFix x SortSmart

A high-performance optimization plugin focusing on entity-ticking efficiency and automated item-stacking and you can use SortSmart

75downloads
Safety is Nowhere
1.21.1neoforge

Safety is Nowhere

Dreams are real and so are nightmares. The world is corrupted, find the source of abnormalities.

75downloads
No Nether RoofSpawns
1.21.7fabric

No Nether RoofSpawns

A lightweight Fabric mod that intelligently controls mob spawning on the Nether roof

75downloads
Snippet
1.21.11fabric

Snippet

The ultimate screenshot upgrade for Minecraft. Browse, edit, and share instantly - soon featuring toggleable layers.

70downloads
Vanilla Heads
1.21

Vanilla Heads

Adds a convenient and completely vanilla mechanic for obtaining player heads for decoration and construction in Minecraft

70downloads
Under The Seas
1.21.4neoforge

Under The Seas

Discontiued For Certain Amount Of Time A new gameplay to minecraft by exploring the darkness of the sea

68downloads
CreeperChestSave
1.13

CreeperChestSave

Chests don't explode but blocks do.

67downloads
BioLock Scanner
1.21.1neoforge

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

65downloads
LeashedMobsTeleport
1.21

LeashedMobsTeleport

Teleport leashed entities across dimensions and allow leashing any type of mob with advanced protection.

65downloads
AgonyMinus
1.21.1neoforge

AgonyMinus

Adds various gimmicks and items and critters and whatnot

64downloads
More Collectables by Memontanik
1.21.8neoforge

More Collectables by Memontanik

This Project Adds More Stuff to Collect, Craft, Use and Break! It could be a fun experience with this Project!

64downloads
Broomba
1.21.10neoforge

Broomba

Silly little Minecraft mod that adds the ability to harvest brains from mobs, which you can put in roomba-like robots

62downloads
Gun Legion
1.21.1fabric

Gun Legion

A firearms expansion for Robot Legion — steam-driven guns, turrets, powered armor, and a Gun Drone ally.

61downloads
RestrictMob
1.21

RestrictMob

RestrictMob. It provides server administrators with a streamlined system to define Safe Zones where hostile and neutral mobs.

61downloads
Caravans
1.20

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.

60downloads
WardRegion
1.21

WardRegion

Region protection plugin for Minecraft 1.21 with wand-based selection, GUI management, whitelist access, flexible flags, particle previews, and MySQL storage.

56downloads
Aegis system
1.21.9

Aegis system

a simple and very customazable rpg plugin that includes mana, abilities, classes and more!

56downloads
RavenMobs
1.19

RavenMobs

Zone-based mob leveling system with economy integration and dynamic stats

55downloads
Replicator First Type
1.21.1neoforge

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!

54downloads
RedstoneSpawnersReloaded
1.21

RedstoneSpawnersReloaded

RedstoneSpawnersReloaded is a very simple plugin which makes Mob Spawners toggleable via a redstone signal.

54downloads
P_Comandos
1.20

P_Comandos

A plugin for commands in items!

53downloads
SafeAFK
1.21.11fabric

SafeAFK

Monitor your Minecraft health remotely with a companion mobile app.

49downloads
AvAI
1.21.11fabric

AvAI

This mod replaces the conventional Minecraft objective system with a basic decision tree.

48downloads
OrjusBlockStats
1.21

OrjusBlockStats

OrjusBlockStats is a powerful and lightweight flexible block tracking plugin designed for survival and competitive Minecraft servers.

47downloads
Villager rollback
1.21.11

Villager rollback

A datapack that is able roll back villagers that recently died. All of the villagerdata is saved.

43downloads
NxControl
1.21

NxControl

NxControl is an advanced staff plugin that lets OP players control players or mobs using simple keybinds, with GUI, bossbars, and freeze system built-in. It’s lightweight, powerful, and perfect for moderation, trolling, or cinematic gameplay.

43downloads
Precast Structure
1.21.1neoforge

Precast Structure

Add a mechanic to automate repetitive building projects.

40downloads
technis
1.21.4fabric

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.

40downloads