Neoforge Mods for Minecraft 1.21
Browse 824 free Neoforge mods for Minecraft 1.21 — popular picks include Arcadia Auction House, The Update - Blacksmith52, Arcania Western RP.
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Arcadia Auction House
Arcadia Auction House adds a cross-player marketplace with item listings, a mailbox for delivered purchases, and Numismatics currency support. Requires Arcadia Lib.
The Update - Blacksmith52
A mod that adds a few nice features to minecraft, such as a starter house and more biomes, tools, and mobs!
Arcania Western RP
western themed Modpack with some great extras for building
Build-Helper-Mod
Build Helper is a client-side Minecraft mod focused on making large-scale building faster, safer, and less repetitive. It combines shape-based building modes, blueprint workflows, mining/construction templates, and environment helpers into one toolset.
GloveCraft Tensura Life
Welcome To Tensura Life A Kingdom Building Modpack For You And Your Friends To Enjoy
Random House - Atrápalos a todos
Gotta catch ’em all… Random House Season 5 is here!
Cobblemon Secret Base Trainer 1-6-1
Create configurable battle clones in your Cobblemon base! or defend your gym! Inspired by Pokemon Emerald's Secret Bases.
Kindle's Aeronautics
The go-to modpack for light-ish create aeronautics and additional building features.
FUN CITY CRAFT - Amethyst Edition
Cars, planes, weapons and building supplies
CobbleJourney - Your Next Cobblemon Adventure!
CobbleJourney - Your Next Cobblemon 1.7 Adventure! A cozy modpack with a focus on Pokemon, exploration and building, with hundreds of different structures to discover and use your new mounts to reach them!
I can't Build
A Modpack to Build a Town without Building It Yourself
forgematica Patch Mod
Forgematica Patch for NeoForge 21.1.235 Fixes IllegalAccessError caused by private access to BufferBuilder.building.
Blocks Decorative
The mod adds blocks for decoration, adds a bunch of blocks for buildings, buildings and houses and for railway stations, the mod also adds a bunch of lamps and everything for streets and for decoration. The mod is in beta and will be updated in the future.
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.
Shroome's Buildtacular
An all purpose building and content mod, focusing on distinct themes
DTM Building and Colonizing
A Modpack for everyone who wants to play casual Vanilla with more building elements and cool colonizing / city elements
[Archived] Easier Building
Easy to get last built item into your hotbar
Improved Twilight Forest
This modpack makes the twilight forest better with mods that are: twilight treehouses and more
EinsEinundzwanzigEins
Minecraft Create + QoL Building & Exploring
Colonies Modpack
Fun MineColonies modpack to enhance your citybuilding addiction for MC1.21.1
DIY hobbyists (carpentry)
A carpentery mod that enhances the player's building skills, for realistic gameplay!
BluBasics
A Base mod for my other mods. Adds a mob and some blocks/items.
Experimentos do Zimbabwe
A huge-lite modpack for adventure and community building!
Architects Measuring Tape
A visual aid for building various shapes and paths.

Building Gadget Refined Storage Bridge
Adds a bridge allowing Building Gadgets to insert and extract items/fluids from Refined Storage 2 networks.
OuterAuctions
A Complete Player-Based Auction House System
Blockle
Whimsical Vanilla+ Mod with building blocks and snails!
House generation
This mod adds vanilla house generation.
prefab-custom-addon
A NeoForge addon for Prefab 1.20.1,1.21.1, adds custom building extension packs, works for both client and dedicated server。
Johncraft GARDE IMPERIALE EDITION
A modpack designed for hardcore exploration, world building & player driven experiences.
Jewish mod
New blocks, items, buildings, armor
WALY VANILLA
An aesthetic enhancement modpack that elevates Minecraft's visual experience through advanced animations, decorative additions, and refined building tools — all while keeping vanilla gameplay intact.
Colony Chronicles
A medieval-style chronicle that automatically records your colony's history — battles, buildings, trades, and milestones. Supports 13 languages including English, Dutch, German, French, Spanish, and more.
Exitian Tweaks
A small number of (configurable) tweaks to base minecraft.
Peaceful Adventures
Peaceful Adventures is a cozy, exploration-focused modpack for players who want beautiful building, satisfying progression, and rewarding discovery—without turning Minecraft into a constant sweat-fest.
Create New Horizons
Create New Horizons is a lightweight Create-focused modpack centered around building factories, railways, and flying machines with Create Aeronautics.