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Minecraft Java 1.21 Mods

Browse 2,465 free mods for Minecraft Java 1.21 — popular picks include Arts & Crafts, Speed Building - Scaffolding behavior, BetterVanillaBuilding.

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Arts & Crafts
1.20.1forge

Arts & Crafts

Adds many new types of building blocks like Dyed Decorated Pots, Chalk, Terracotta Shingles, Soapstone and more!

4.2Mdownloads
Speed Building - Scaffolding behavior
1.21.1neoforge

Speed Building - Scaffolding behavior

Quickly mass place rails and ladders just like Scaffolding

3.9Mdownloads
BetterVanillaBuilding
1.20.1

BetterVanillaBuilding

Vanilla retextures, new custom tools, blocks, biome mobs and more!

3.9Mdownloads
Repurposed Structures - Illager Invasion Compat
1.18.2

Repurposed Structures - Illager Invasion Compat

Adds compatibility between Repurposed Structures and Illager Invasion's woodland mansions!

3.8Mdownloads
Glassential (Fabric)
1.21fabric

Glassential (Fabric)

Various types of glass to aid in your building but for Fabric

3.5Mdownloads
L's Spooky Music Trader
1.20.1forge

L's Spooky Music Trader

adds a new Trader Mansion structure, along with a collection of spooky music discs

3.4Mdownloads
Oreganized
1.20.1forge

Oreganized

Oreganized is a mod focusing on adding new ores and metals to Minecraft. Currently it adds, Lead and Silver as base metals and a new alloy known as Electrum.

3.1Mdownloads
Permanent Sponges
1.21.11fabric

Permanent Sponges

Sponges to keep an area permanently dry. Fancy underwater base anyone?

3.1Mdownloads
Lios Spiral Tower Villages
1.19.3fabric

Lios Spiral Tower Villages

Adds unique towering villages built into ancient spirals with distinct building styles

2.8Mdownloads
Lost Cities Modern Tweaks
1.21.11neoforge

Lost Cities Modern Tweaks

A datapack that applies various tweaks to the default Lost Cities generation using modern Minecraft blocks, adding additional buildings and interior details while keeping the original style.

2.8Mdownloads
Engineered Schematics
1.21.1neoforge

Engineered Schematics

A Mod desgined to make building multiblocks more clear.

2.5Mdownloads
Lost Radar
1.21.1neoforge

Lost Radar

Lost Radar is a companion mod for Lost Cities that adds an item that can be used to find and discover buildings

2.5Mdownloads
Starter Structure
1.21.11fabric

Starter Structure

🏛️ Allows the creation of buildings on initial world generation at spawn via schematic files.

2.3Mdownloads
Twilight Treehouses
1.20.1forge

Twilight Treehouses

Treehouses now generate on Twilight Forest trees!

2.2Mdownloads
Yuushya Townscape [Forge/Fabric]
1.21neoforge

Yuushya Townscape [Forge/Fabric]

Using 800+ building materials to create your own townscape

2.1Mdownloads
Repurposed Structures - Chef's Delight Compat
1.21.1

Repurposed Structures - Chef's Delight Compat

Adds Chefs and Cook houses to RS villages!

2.0Mdownloads
Haunted House
1.21.11fabric

Haunted House

Adds a new Haunted House to Plains, Forest and Dark Forest Biomes

1.9Mdownloads
DungeonZ
1.21.1fabric

DungeonZ

Base mod to add new dungeons with one default dungeon

1.8Mdownloads
Dungeons and Taverns Woodland Mansion Overhaul
1.21.9neoforge

Dungeons and Taverns Woodland Mansion Overhaul

This Mod Overhauls the Woodland Mansion with 184 different rooms and 8 type of rooms. adding a basement layer and a road leading away from the woodland mansion

1.5Mdownloads
Armor of the Ages
1.21.1neoforge

Armor of the Ages

A Minecraft mod that adds animated armors from various culture. The perfect mod to defend your dirt & cobblestone house with style !

1.3Mdownloads
OmniTool
1.20.1forge

OmniTool

OmniTools is a single, versatile tool that works with multiple mods. It combines the functions of various wrenches, making building, configuring, and managing blocks easier than ever.

1.3Mdownloads
Ultramarine
1.21.1neoforge

Ultramarine

An ancient Chinese style building blocks and decorations mod.

1.2Mdownloads
Ancient Structures: Cultural buildings
1.20.1fabric

Ancient Structures: Cultural buildings

Adds handcrafted structures from ancient civilizations (Mayan, Roman, Japanese, Germanic) with custom loot, mobs, and secrets.

1.2Mdownloads
Portable blueprints
1.20.1forge

Portable blueprints

Tired of manually building the same structures over and over, like roads, street lamps, or houses? This mod is perfect for you! Scan your structure and create a blueprint so you can rebuild it instantly with just one click!

1.2Mdownloads
Ledger Databases
1.20.4fabric

Ledger Databases

Adds support for additional database types to Ledger

1.1Mdownloads
Block Variants
1.21.4neoforge

Block Variants

Expand your building block selection

1.1Mdownloads
Golden Days Base
1.20

Golden Days Base

Golden Days is a Minecraft resource pack meant to bring back old textures, lighting, names, and sounds from older versions of Minecraft, like Beta. Requires enabling the built-in Programmer Art resource pack.

1.1Mdownloads
Ruined Lighthouse
1.21.11neoforge

Ruined Lighthouse

Adds a broken lighthouse to beaches with hidden loot and a challenging parkour inside, rewarding players who make it to the top.

1.1Mdownloads
More Slabs Stairs & Walls
1.21.1fabric

More Slabs Stairs & Walls

Expand your building options with More Slabs, Stairs, & Walls.

1.1Mdownloads
LUMINOUS: MONSTERS
1.21.1neoforge

LUMINOUS: MONSTERS

LUMINOUS: Monsters brings 12 new Zombie and Skeleton variants to the base game, each in their own respective environment. All 12 of these variants can be found in my other mod - LUMINOUS - but this mod is just for those looking to fight these undead foes!

1.1Mdownloads
Mo' Glowstone
1.21.11neoforge

Mo' Glowstone

Decorate your base with colorful Glowstone blocks.

973kdownloads
Roamers
1.21.4forge

Roamers

Adds characters that build houses, mine blocks, and craft items!

877kdownloads
Mech Trowel
1.21.1neoforge

Mech Trowel

A Trowel+ that randomizes/ shuffle blocks with customizable palettes. Includes building wand functionality. Works with Create/Copycats+, FramedBlocks & Chipped

864kdownloads
Luki's Woodland Mansions
1.21fabric

Luki's Woodland Mansions

New Mansions to explore and traverse.

796kdownloads
Cherry Grove Starter House
1.21.11fabric

Cherry Grove Starter House

Adds a Cherry Grove Starter House to the game

738kdownloads
Berezka API for Abandoned city buildings
1.21.1neoforge

Berezka API for Abandoned city buildings

This mod adds config and plugins support to Apocalypse structures: Abandoned city buildings mod

699kdownloads