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Minecraft Java 1.21 Mods

Browse 458 free mods for Minecraft Java 1.21 — popular picks include Mekacraft!, Emerald Matcha Craft V3, UnderWorld SMP Modpack.

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Mekacraft!
1.21.1neoforge

Mekacraft!

A survival multiplayer based around mekanism

1.2kdownloads
Emerald Matcha Craft V3
1.21.1neoforge

Emerald Matcha Craft V3

Most of the functions and items are expanded and inspired from the original minecraft, and are developed mainly for survival convenience.

1.2kdownloads
UnderWorld SMP Modpack
1.21.1neoforge

UnderWorld SMP Modpack

A heavily modded Minecraft experience focused on underground exploration, survival, and community. Dig deep, build creatively, and thrive in a world where the real adventure starts below the surface.

1.1kdownloads
MouCraft
1.21.1neoforge

MouCraft

MouCraft is a survival-RP modpack for Minecraft 1.21.1 using NeoForge. Designed for immersive multiplayer gameplay, it combines Create-based automation, town-building with MineColonies and survival mechanics.

1.1kdownloads
Create: Magic Survival
1.21.1neoforge

Create: Magic Survival

A pack focused on Create, magic, and survival.

1.1kdownloads
PistonChat
1.8

PistonChat

💬 Advanced chat plugin for survival/anarchy servers.

1.1kdownloads
Immersion in Traffic Context 2
1.21.1neoforge

Immersion in Traffic Context 2

Adds customizable barriers & asphalt roads (+30% speed!). Design unique streets, works with/without Ultimate Car Mod. Survival recipes included. Build realistic traffic systems!

1.0kdownloads
MobPVP // CANCELLED
1.21fabric

MobPVP // CANCELLED

MobPVP transforms your Minecraft survival experience by assigning levels to every living creature in the game. Based on these levels, mobs gain different abilities, attributes, and loot chances, creating a more challenging and rewarding combat system.

1.0kdownloads
The Ultimate Create Experience For Builders
1.21.1forge

The Ultimate Create Experience For Builders

Dive into the ultimate Create Modpack, featuring addons that expand mechanical possibilities for building, automating, and innovating in both Survival and Creative modes.

1.0kdownloads
Mr. Meh's Extra Items
1.21.4

Mr. Meh's Extra Items

More items with little correlation to each other or balancing made for having fun and enhancing the survival experience.

1.0kdownloads
Sync Hunger and Health
1.20.4fabric

Sync Hunger and Health

One soul, many bodies—share your health, hunger, and life with every player in a unified survival challenge.

1.0kdownloads
Core Companion
1.21.11fabric

Core Companion

An owner-bound AI companion that chats, remembers, builds a relationship, and runs survival tasks with Baritone path finding — local or cloud AI, optional voice and vision.

1.0kdownloads
Youtube Starter Kit
1.21fabric

Youtube Starter Kit

A modpack for Minecraft content creators, enhancing survival with client-side mods for better visuals, performance, and quality of life. Ideal for recording and streaming high-quality videos.

999downloads
Survival Needs
1.20.1forge

Survival Needs

A survival needs mod that adds thirst, hygiene, energy, bladder, fun, and social motives to Minecraft.

972downloads
AutoLoot
1.21.1neoforge

AutoLoot

Mod that automatically collects items from broken blocks and killed mobs directly into the player's inventory.

967downloads
Time Vortex (TARDIS)
1.21.1neoforge

Time Vortex (TARDIS)

Embark on a journey through time and space with this survival-focused TARDIS mod. Designed for NeoForge 1.21.1, it offers a balanced and immersive approach to piloting your very own space-time machine.

960downloads
Hardcore Realm
1.21

Hardcore Realm

A small datapack that turns your realm into hardcore mode, by putting everyone who dies into spectator mode.

955downloads
[FMCS-L] fps X media X crystal x survival Optimized LITE
1.21.4fabric

[FMCS-L] fps X media X crystal x survival Optimized LITE

A lightweight optimization modpack designed to boost FPS and improve performance.

925downloads
Fiber-Optic Cables
1.21.1neoforge

Fiber-Optic Cables

Adds a fiber optic cable, used to instantaneously transfer multiple redstone signals within a one block space.

924downloads
Create Aeronautics (& Stuff)
1.21.1neoforge

Create Aeronautics (& Stuff)

Survival-friendly Create modpack that includes Create:Simulated & a bunch of compatible mods to make it more interesting and immersive to use (as well as a set of exploration & combat mods to give you more to do outside of Create as well)

911downloads
Create & Conquer
1.21.1neoforge

Create & Conquer

Modern Survival Engineering with expansive world generation

907downloads
Frens
1.21.11fabric

Frens

Companion bots for Minecraft with survival skills, autonomous behaviors, and persistent inventories. They can woodcut, mine, fish, build shelters, ride animals, follow and defend, return to base & sleep at sunset.

904downloads
Tensura Abyssal Reincarnation
1.21.1neoforge

Tensura Abyssal Reincarnation

Tensura Abyssal Reincarnation is a dark, cozy SMP modpack blending magic, exploration, and survival. Master spells, automate with Create, and face deadly bosses in a semi-anarchy world where freedom rules and every choice shapes your path.

901downloads
Blue's Sword-Bedwars
1.21.1fabric

Blue's Sword-Bedwars

This mod recreates Blue's abilities from Alan Becker's Bed Wars stickman animation. It can be used for combat in Bed Wars and Survival.

895downloads
oneblock but have cool technology
1.21.1neoforge

oneblock but have cool technology

create modpack with oneblock

891downloads
OpenFlares - Flare Guns!
1.21.11fabric

OpenFlares - Flare Guns!

Flare guns! Survival and multiplayer friendly. Now with an innovative LOD-based renderer for seeing flare smoke from even beyond the vanilla chunk render distance :D

885downloads
horror things
1.21.1forge

horror things

its a horror game with the create mod and space how will this go

862downloads
The Iron Frontier
1.21.1neoforge

The Iron Frontier

The Iron Frontier is a cinematic survival-industry modpack where you rebuild a fallen world using machines, power grids, railways, and agriculture. Explore a ruined frontier, restore civilization, and bring a silent world back to life.

837downloads
Hard Times
1.21.1neoforge

Hard Times

A realism focused modpack designed to test your survival skills! How well do you fare without a hotbar? <3

816downloads
King George Want No Smoke (VPB)
1.19.4

King George Want No Smoke (VPB)

Vic's Point Blank, Founding fathers intended classic (survival friendly). Fires 4 shots per minute for 4 ruffians out and away!

799downloads
Cobblemon Phantoms
1.21.1fabric

Cobblemon Phantoms

Cobblemon Phantom is a modpack that blends Pokémon-inspired gameplay with Minecraft’s survival and exploration. It features custom creatures, eerie environments, and competitive elements like 1v1 duels, all wrapped in a dark, mysterious aesthetic.

796downloads
New Shears
1.20.1forge

New Shears

This Minecraft mod introduces wooden shears, giving players an easier way to craft shears early in the game. It speeds up the process of gathering wool, leaves, and other materials, helping players progress faster during the early stages of survival.

792downloads
DINOsmp Mod - Industrial Evolution
1.21.1neoforge

DINOsmp Mod - Industrial Evolution

A multiplayer-focused modpack emphasizing industrial automation, challenging survival mechanics, and optimized performance for long-term SMP play.

777downloads
Hardcore & Death Sounds
1.21

Hardcore & Death Sounds

Highly Customizable DeathBan and DeathSound Plugin

776downloads
Hardcore Revival Beacon
1.20.1forge

Hardcore Revival Beacon

⚡Revive Beacon: Save friends in Hardcore! Place the block to revive. A GUI checks spectator status & teleports the owner to spawn. Features owner-only mining protection & achievements for the helper and the savior!

773downloads
Cauldron Concrete
1.17

Cauldron Concrete

Powder into a cauldron gets you concrete! Vanilla friendly and perfect for servers wanting a survival experience of the cauldron concrete functionality from Vanilla tweaks.

773downloads