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Minecraft Java 1.21 Mods

Browse 22 free mods for Minecraft Java 1.21 — popular picks include Architectural Building Wand, MouCraft, The Ultimate Create Experience For Builders.

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Architectural Building Wand
1.21.11neoforge

Architectural Building Wand

An advanced drag-and-drop construction tool and structure builder. Effortlessly place blocks, build walls, and fill areas in survival using a balanced ghost block preview planner.

18kdownloads
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
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
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
Horizon Assembly
1.21.1neoforge

Horizon Assembly

Horizon Assembly is a Create-focused industrial survival modpack built around automation, civilization building, exploration, and warfare.

506downloads
Range's Pack
1.21.1neoforge

Range's Pack

A massive Minecraft adventure focused on exploration, survival, magic, technology, farming, building, and progression — all carefully blended into one immersive experience. Created for Range's server "TwinScythe SMP"

503downloads
Create: Building Dimension
1.21.1neoforge

Create: Building Dimension

A dedicated creative-mode dimension for testing Sable/Create Aeronautics contraptions in survival — build, light a portal, test freely, and come back with nothing lost.

434downloads
Build and Thrive
1.21.1neoforge

Build and Thrive

Modpack dedicaded to give a reason to building, using survival, farming, automation, and transport.

291downloads
Artilide
1.21.1neoforge

Artilide

Artilide is a modpack that attempts to transform Minecraft's balancing and base mechanics to keep survival aspects for late game, along with overhauling exploration as a whole.

281downloads
Toolmaster
1.21.4

Toolmaster

Opens a simple inventory containing all essential tools for survival building

112downloads
Hearthside
1.21.1neoforge

Hearthside

Hearthside is a cozy, Vanilla+ survival modpack focused on building a home, exploring beautiful landscapes, and following light quests. It also includes a touch of tech for automation and helpful QoL machines —comfort first, grind last.

104downloads
RevivalRpMods
1.21.8fabric

RevivalRpMods

A Minecraft 1.21.8 modpack for roleplay servers. Adds new biomes, dungeons, RPG skill trees, building blocks, and tech mods for survival and adventure.

101downloads
PLASTIC CRAFT
1.21.1neoforge

PLASTIC CRAFT

A unique expansion that introduces versatile plastic materials, custom building blocks, and tools to upgrade your Minecraft survival experience.

100downloads
Create : Optimised & Fun
1.21.1neoforge

Create : Optimised & Fun

Create survival modpack focused on automation, building, storage, and QoL improvements for smoother progression.

76downloads
Just Aeronautic
1.21.1neoforge

Just Aeronautic

A lightweight, Create-focused sky survival pack centered on automation and building your own airships.

56downloads
AwesomeTaxes
1.21.4

AwesomeTaxes

AwesomeTaxes is a survival-friendly taxes and rent plugin for Paper 1.21.4–1.21.8. Admins define house regions, set a tax item/amount, start waves, and players pay with the required items in hand to receive a receipt. Defaulters are tracked automatically.

54downloads
Radon Client Mod (1.21.11) – Donut's Most OP, Fork of Krypton Client
1.21.11

Radon Client Mod (1.21.11) – Donut's Most OP, Fork of Krypton Client

Radon Client Mod is a hybrid PvP and SMP utility client for Minecraft. It helps players with Crystal and Anchor PvP while also providing useful tools for Donut SMP, such as auto sell, base finding, and totem automation. This client is designed to make fighting and survival easier, faster, and more efficient for both new […]

Skyopolis Evolved Modpack (1.21.1) – Create-Based Sky Automation
1.21.1

Skyopolis Evolved Modpack (1.21.1) – Create-Based Sky Automation

Skyopolis Evolved Modpack is a progression-based skyblock modpack for Minecraft. It is designed to guide new players step-by-step through quests while gradually introducing machines, automation, and advanced crafting. Features: Core Concept Start in a custom sky world made of floating islands Follow a structured quest system to unlock new technology Progress by building more advanced […]

Nyrex Client Mod (1.21.1) – Automation-Focused Beast
1.21.1fabric

Nyrex Client Mod (1.21.1) – Automation-Focused Beast

Nyrex Client Mod provides a powerful automatic combat system, advanced utility tools, ESP & visual features for better awareness, along with various macros and automation that give players a major advantage in PvP, raiding, base hunting, and long-term survival. Features: ⚔️ Combat Aim Assist – Assisted target aiming Anchor Macro – Anchor PvP macro support […]

Create: Misc & Things Mod (1.21.1, 1.20.1) – Utility, Building and Fun Additions
1.21.1forge

Create: Misc & Things Mod (1.21.1, 1.20.1) – Utility, Building and Fun Additions

Create: Misc & Things Mod is an add-on that introduces several useful and amusing items to the Create mod. A liquid gun? Road signs? Launchers or various building blocks? With this mod, survival in Create becomes even more exciting and fun! Features: Spout Gun – A unique weapon that allows you to shoot liquid at […]

Create - World in Motion
1.21.11fabric

Create - World in Motion

A Create-focused modpack for Minecraft 1.21.11, centered on mechanical automation, moving contraptions, and creative factory building in survival.

1.6kdownloads
Cobblegen Galore Mod (26.1.2, 1.21.1) – Farm Infinite Cobblestone Without Mining
1.21.1

Cobblegen Galore Mod (26.1.2, 1.21.1) – Farm Infinite Cobblestone Without Mining

Cobblegen Galore Mod adds automated block generators to help you gather building materials without mining. It gives you special machines that create blocks like cobblestone and basalt on their own. This makes it perfect for SkyBlock worlds where basic resources are hard to find. Features: Adds five tiers of generators starting from Copper up to […]