Minecraft Java 1.21 Mods
Browse 295 free mods for Minecraft Java 1.21 — popular picks include Building Shift, No Vex, Aspects: Reclaimed.
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Building Shift
Cancels Interaction with Functional Blocks without holding Shift Key! Use Commands or Binded Key to toggle, G by default
No Vex
A simple datapack/mod that kills vexes every tick. Makes raids and woodland mansions less annoying, also lowering the chances of dying in a raid farm
Aspects: Reclaimed
An Aspects Addon introducing 7 new Aspects inspired by concepts that go beyond the base modification
Beans' Toolbelt
A balanced tool belt mod to clean up the hotbar while building or exploring
PlayerAuctions
PlayerAuctions is a modern and feature-rich auction house plugin.
DIY Campfires
A mod that adds a simple building mechanic to Campfires.
Simplebuilding
A simple building mod. Create Faster, Farm Faster, Enjoy The Game Without Loosing Your Soul!
Survival Plus
A Minecraft gameplay mod bringing back the danger of survival with new mobs, features and base game changes.
Builderdash
Building-Related Party Minigames - Server Side Only
OpenCreative+
Let your players create worlds. With buildings, settings and even coding on blocks!
Beds Spawn Phantoms
Encourages building a proper shelter around your bed instead of just placing it in the open
Illager Only
Datapack that disable hostile mob from spawning inside a mansion
Inhouse Guns
Creating my own personal spin on firearms for Minecraft.
Cancel Block Update
Cancel block updates, block schedule ticks, random ticks, place validation, fluid schedule ticks, for building and debug use.
Learn From Your Deeds!
Get experience via alternative ways! With the help of this data pack you won't get experience only from killing or murdering something or mining only specific ores but for most of the stuff you do in the game like building, farming, chopping wood etc.
CityUtils
Customizable roads that you can rotate around, street signs like stop signs and speed limit signs, so much to help your city building process
CreativeUtilities
Collection of a lot of tiny features that help with building
AntiGriefPlus
AntiGriefPlus is a Minecraft mod that protects specific blocks (like chests, doors, and structures) from explosion damage caused by creepers, TNT, or other sources. It keeps your buildings safe without disabling combat or gameplay mechanics.
Map Tools
Essential utilities for creating maps or building. Create smooth animations, realistic message printing, resource pack management, block display tools, danger command checker, position saver and much more
Auto Map Update
Auto Map Update is a mod to make your map have all the new building you built after creating a map
Caseyy's Create Adventure
A lightweight modpack blending Create’s mechanical magic with MineColonies’ charming town-building for a cozy, creative experience.
GlobalMarketplace – Auction | Geyser Support
Cross-server Auction House for Paper with anti-dupe, Vault economy, and Discord support.
Castle Siege | King, teams, kits, abilities, arenas & more
Seize or Shield in Castle Siege, Inspired by Mineplex
Mini Wood Factories
Welcome to the 1.21+ Mini Wood Factories! Enjoy building with unlimited supplies of wood!
Origins: The Owl House
An Origin plugin that adds covens and spells themed on The Owl House, made for Origins-Reborn!
Controlled Construction
Building is difficult. Let's make it easier!
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.
ClansFix
ClansFix — a powerful clan plugin for Minecraft servers that adds deep clan systems with progression, quests, ranks, and customization . It turns group gameplay into an engaging experience with leveling, treasury, houses, and competitive rankings .
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.
forgematica Patch Mod
Forgematica Patch for NeoForge 21.1.235 Fixes IllegalAccessError caused by private access to BufferBuilder.building.
CobbleGen Alehouse
9 tiers of highly optimized Cobblestone Generators. From Stone to Nether Star.
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.
DonuTool
You can jump to the Auction House or Orders instantly with a specific key.
custom-crafter-api
An advanced PaperMC crafting engine for building complex recipes with NBT-supported custom items.
Bridge Eggs by Juix
Datapack adding bridge eggs you can throw, building bridges in front of you
Grid Easy
A lightweight 3D grid overlay for precise building, alignment, and per-axis spacing control. 정밀한 건축과 축별 간격 조절을 위한 가볍고 최적화된 3D Grid Overlay 모드입니다.