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.
Updated daily
Arts & Crafts
Adds many new types of building blocks like Dyed Decorated Pots, Chalk, Terracotta Shingles, Soapstone and more!
Speed Building - Scaffolding behavior
Quickly mass place rails and ladders just like Scaffolding
BetterVanillaBuilding
Vanilla retextures, new custom tools, blocks, biome mobs and more!
Repurposed Structures - Illager Invasion Compat
Adds compatibility between Repurposed Structures and Illager Invasion's woodland mansions!
Glassential (Fabric)
Various types of glass to aid in your building but for Fabric
L's Spooky Music Trader
adds a new Trader Mansion structure, along with a collection of spooky music discs
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.
Permanent Sponges
Sponges to keep an area permanently dry. Fancy underwater base anyone?
Lios Spiral Tower Villages
Adds unique towering villages built into ancient spirals with distinct building styles
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.
Engineered Schematics
A Mod desgined to make building multiblocks more clear.
Lost Radar
Lost Radar is a companion mod for Lost Cities that adds an item that can be used to find and discover buildings
Starter Structure
🏛️ Allows the creation of buildings on initial world generation at spawn via schematic files.
Twilight Treehouses
Treehouses now generate on Twilight Forest trees!
Yuushya Townscape [Forge/Fabric]
Using 800+ building materials to create your own townscape
Repurposed Structures - Chef's Delight Compat
Adds Chefs and Cook houses to RS villages!
Haunted House
Adds a new Haunted House to Plains, Forest and Dark Forest Biomes
DungeonZ
Base mod to add new dungeons with one default dungeon
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

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 !
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.
Ultramarine
An ancient Chinese style building blocks and decorations mod.
Ancient Structures: Cultural buildings
Adds handcrafted structures from ancient civilizations (Mayan, Roman, Japanese, Germanic) with custom loot, mobs, and secrets.
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!
Ledger Databases
Adds support for additional database types to Ledger
Block Variants
Expand your building block selection
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.
Ruined Lighthouse
Adds a broken lighthouse to beaches with hidden loot and a challenging parkour inside, rewarding players who make it to the top.
More Slabs Stairs & Walls
Expand your building options with More Slabs, Stairs, & Walls.
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!
Mo' Glowstone
Decorate your base with colorful Glowstone blocks.
Roamers
Adds characters that build houses, mine blocks, and craft items!
Mech Trowel
A Trowel+ that randomizes/ shuffle blocks with customizable palettes. Includes building wand functionality. Works with Create/Copycats+, FramedBlocks & Chipped
Luki's Woodland Mansions
New Mansions to explore and traverse.
Cherry Grove Starter House
Adds a Cherry Grove Starter House to the game
Berezka API for Abandoned city buildings
This mod adds config and plugins support to Apocalypse structures: Abandoned city buildings mod