Forge Mods for Minecraft 1.21
Browse 56 free Forge mods for Minecraft 1.21 — popular picks include Building Gadgets, Security Craft, RFTools Base.
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Building Gadgets
A collection of Gadgets to make building large structures a little bit easier!
Security Craft
Adds plenty of blocks and items to defend and secure your base with.
RFTools Base
RFTools Base: base mod for all McJty tech mods
Medieval Buildings - New Structures!
Add exciting medieval buildings with hidden enemies and treasures to the world!
Modular Force Field Systems (MFFS)
Use that extra power to protect your base
Pipe Connector
A tool that places pipes automatically along a selected route, with the option to set the depth. Useful for building organized networks without placing each pipe manually
ArmorPlus
ArmorPlus is a mod based on exploration, killing, building, getting geared up, fight the bosses and explore the depths of your worlds
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
Engineered Schematics
A Mod desgined to make building multiblocks more clear.
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.
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!
Roamers
Adds characters that build houses, mine blocks, and craft items!
VapourWare
Base mod that is the foundation for 1.20+ mods by VapourDrive. Contains shared code for fuel powered machines, and a wrench.
Happy Trails - Control Movement Speed
This project lets you control movement speed. This can reward road building; allowing faster movement on dirt paths and brick roads; or make walking through tall grass or on desert sands slower;
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.
World Editor
Make building easier with the World Editor datapack! Datapack has singleplayer and multiplayer support.
Electronic Devices
Decorative mod that adds plenty of electronic devices to decorate your house.
Farmer's Larder
Farmer's Delight style foods and recipes from base game ingredients!
Mindthemood's Bits, Bobs, & Buildings (Amazing Archeology)
Relics, Gadgets, Golems, and quite a lot of other stuff besides!
Simcraft *WIP 2025*
Enhance your mining and building expereince and extend your game
Krip Turrets
This mod will add several new types of turrets that protect you and your buildings from evil and dangerous entities.
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.
Enchanted Mobs
Make the PVE more dynamic with mobs enchanted, that gain abilities in base of the enchant obtained.Make the PVE more dynamic with mobs enchanted, that gain abilities in base of the enchant obtained.
Corail Platform
Platform to move houses and other construction, also elevators, sky ferries, etc.
More Security
This mod adds some technologies to protect your house.
Keystone Expansion Pufferfish's Skills
MMO-style skill tree expansion for Puffish Skills, adding new progression categories like Combat, Mining, Exploration, Farming, Crafting, Building, Magic and Taming.
TileFinder
Client-side mod to help you find tile and block entities (chests, machines, etc) around your base and world.
SpeedHack - Dev Tools Neo/Forge/Fabric
SpeedHack is a lightweight client-side mod that allows you to adjust your movement speed on the fly. Whether you need to speed up your travels or slow down for precise building
FirmalifeEnhance
Compatibility add-on for TerraFirmaCraft + Firmalife. Adds climate control for greenhouse farmland, removes seasonal growth limits in greenhouses, improves cellar preservation, and adds JEI-visible greenhouse salvage recipes.
DestriumMod
DestriumMod is a Minecraft Mod based on Exploration, Building, Tools and Machines !
Builder's Void
A void dimension for all your building needs!
Flexible Games Builders Pack
The Builders Pack is for those who enjoy building, automation, and design but struggle with the grind of mining.
DIGEST 4
Vanilla+ pack with a focus on building, Exploring and Automation.
DIY hobbyists (carpentry)
A carpentery mod that enhances the player's building skills, for realistic gameplay!
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.