Fabric Mods for Minecraft 1.21
Browse 732 free Fabric mods for Minecraft 1.21 — popular picks include Loot Integrations: Medieval Buildings & End & Nether, Unnamed Framework, Create Train Utilities (Create Train Doors).
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Loot Integrations: Medieval Buildings & End & Nether
Adds better loot to Medieval Buildings & End structures chests, including modded loot
Unnamed Framework
The base framework for my datapacks, providing an API of common functions and easy compatibility between modules.
Create Train Utilities (Create Train Doors)
Create Addon that adds custom sliding doors with realistic opening & closing sounds, platform blocks and building blocks for stations and trains.
Saro´s Road Blocks
Adds asphalt with slope/stair variants, crash barriers, street lights, and road marking tools for building realistic roads, highways, and on-ramps.
Old fisherman swamp house
adds an old fisherman’s house to swamp biomes, with villagers and aquatic mobs beneath it
Timefall Coin (Themed Currency Base)
This mod adds the Timefall Coin and Timefall Coin Pile, used in the TSMP, but is a base that can be changed to fit a Modpack's Theme
IngotCraft
Easy crafting for base metals
Grim Kingdoms: Lost structures & ruins
Adds Castles - Unique vanilla mobs/ hidden items
Ytones [Archived]
Many modern, futuristic and fantasy-styled decorative building blocks to enjoy. A continuation of Z/Xtones.
Vanilla Perfected (Curseforge Edition!)
A compilation of Vanilla Plus mods & packs to perfect the Minecraft experience without drifting too far from the feel of the base game!
Left Hanging
This mod adds a decorative noose in which you can trap entities to decorate your fields and/or house !
Simple BC Pipes
A simple item and fluid transport mod to show the various features of LibBlockAttributes and provide a useful testing base for other mods using attributes.
Seedcraker
Find the seed on any server by locating five structures. This mod lets you reveal world or dimension seeds without admin access, even on servers with X-ray blocked. Use the seed with Chunkbase or OreFinder to explore and locate structures easily.
Effortless Building (Fabric)
Effortless Building for Fabric users.
Grim kingdoms: Vanilla Edition
Adds Castles : Both mod versions are vanilla, this version simply removes unique vanilla special items
Effortless Building: Sophisticated (Enhanced Fork)
Advanced building QoL mod with mirror/array/shape modes, expanded reach, per-axis placement limits, backpack-based building upgrades, compact HUD counts, and clear missing-item feedback for survival building.
[Let's Do] Hearth & Timber
Craft timber houses with beams, frames and sturdy wooden details that make every home feel hand-built and storied.
Urban Decor
Urban Decor is a decorative mod designed to enchance the building experience of users by adding unique decoration blocks.
More Stick Variants (MStV)
Sticks for every kind of wood. A base mod for other Variant Mods using Sticks as crafting ingredients.
World Editor
Make building easier with the World Editor datapack! Datapack has singleplayer and multiplayer support.
Beginner's Delight
Generates a small starter house at the world spawn point with a bed, chest of supplies, and torches. Helps beginners survive their first night safely. Built with vanilla blocks only — safe to remove anytime. Supports Fabric, NeoForge and Forge.
Abandoned city buildings: Updated
Ports "Apocalypse structures: Abandoned city buildings" to more versions
Loot Integrations: The Lost Castle
Adds better loot to The Lost Castle chests including modded loot

Chai's Build Tools
A set of tools that are useful for building; a wrench to rotate blocks, a trowel to place random blocks, and a cloud bucket to place blocks in the air
NiceMod - New blocks
A mod for Fabric that adds new decorative and building blocks
Hobbit House
Adds hobbit houses with villagers in forest and taiga biomes.
Jungle Treehouse Village
Adds a big jungle treehouse village to the game
Cinch's Abandoned Houses
Abandoned houses with starter loot can randomly be found around the world.
[Let's Do] Alpine Whispers
Alpine Whispers enhances cold and mountainous regions with new Alpine biomes, unique wildlife, Alpine trees, and a variety of flowers and grasses, as well as fresh building materials inspired by the European highlands.
Big Cherry Blossom Tree House
Adds a new BIG Chery Blossom Tree House to the Cherry Grove Biome
Saro´s Construction
Adds construction barriers, cones, scaffolding, and interactive site equipment for building realistic construction zones.
Villager Cartographer House
Adds a Villager Cartographer House to the plains biome
Electronic Devices
Decorative mod that adds plenty of electronic devices to decorate your house.
Bedrock Crafter
"Vanilla-like" way to craft bedrock and building blocks from it.
Tools for builders
This Mod Pack Gives You Almost ALL Building Essencials, Like Litematica for building from shematics! Theres Also More! With Some ResourcePacks That I Picked As the Dont Change A Lot And Just Make The Game Look Better!
Villager Tannery House
Adds a Villager Tannery to the Plains and Forest biomes, with Leatherworker and Shepherd villagers working inside.