Minecraft Java 1.21 Mods
Browse 2,492 free mods for Minecraft Java 1.21 — popular picks include Builder+, optim+, EssentialsXMySQLSync.
Updated daily
Builder+
This Adds Many Useful Building Blocks To Improve Your Builds
optim+
Yet another optimization Modpack on 1.21.1 to change nothing about the base game.
EssentialsXMySQLSync
Seamlessly synchronize your EssentialsX Player data with a MySQL database in real-time.
LifeBase
An unofficial remake of Grian's Third Life series which can be modified or played standalone.
Model Blueprint
Import .obj models into Minecraft as non-collidable wireframe blueprints for effortless building guidance.
MightyBuilding
A simple mod collection to streamline schematic creation.
AH Buy Price Tracker
Tracks Hypixel SkyBlock Auction House purchases and permanently adds the buy price and timestamp to item tooltips.
StatBasedMons
Match the speed of rideable Pokémon to their base Speed stat
helmod
The project here is a project made using Player.Games. It adds the ability for a MySQL style database with the ability to pull and receive from the database the following stats. "Shiny rates" "Catch Rates with all pokeballs." and "Experience Rates"
Horizons Auction House
Modern auction house system with bidding, buy-it-now listings, and a powerful GUI.
Jeff Stedi's Building Modpack
Jeff loves building forever and so do you
Vanilla Overkill - Base Edition
A simple vanilla modpack surrounding the Blaze and Caves advancement challenge. This collection includes both visual enhancements and optimizations.
MysticMC Auction Tracker
Tracks prices from the auction house in a tooltip and graph.
Extended Combat
A mod that adds many new combat features/items, as well as some building blocks.
Home Dimension bags
A simple mod that adds new bags that will make you free from your base wherever you are!
Netherite Block Smithing
Instead of being a storage block, makes Netherite blocks just a fancy building block.
Backrooms blocks and stuff
this mod adds new building blocks, which look like they're from the backrooms
Unhappy Structures
Today I would like to introduce you to my new data pack to improve the outside world, namely adding new buildings, in the data pack there are 14 buildings, from a banal house to a simple piece of stone on the road, where you can mine iron, coal, etc.
GhostbustersANTI-ESP
A hidden base should be discovered through exploration, not exploits. Ghostbusters-ESP provides a covenant of protection, the final solution to espers: fighting ghosts with ghosts.
FlyWithFood_fabric
Hunger Flight, allows survival players to fly, deducts Hunger Points over time, facilitates building use. 饥饿飞行，允许生存玩家飞行，随时间扣除饥饿值，方便建筑使用。
AED MC Client Mods
The AskEuropeDiscord Minecraft Server pack. The collection aims for a building and exploring feel, that let's you have a proper survival game with many building options and a few mods to enhance our community's interactions.
NeoHouse
Compiler, IDE and Importer for Hypixel Housing.
ServerSideBuilds Plugin
ServerSideBuilds is a clientless, zero-dependency Minecraft construction zone simulator that projects holographic block blueprints directly to any standard player client. It streamlines survival building with real-time placement verification, etc...
ModernHDV
A modern GUI-based Auction House plugin for Minecraft servers, built for performance, usability and scalable multi-server networks. This is the Free edition of ModernHDV.
McCastle's To the Skys!
Create Aeronautics holds a whole new way to apply amazing physics to your contraptions and world. To the Sky! is a mod pack that is centered around create aeronautics with a few additional mods to add to the experience for us nerds who love to tinker.
BPL - Client Side Mods (Complete)
Client mods for BPL MC Server. A exploration and building oriented modpack for multiplayer servers.
Kaczogród SMP
Simple modpack made to be base for SMPs servers.
Antisolar Blocks
Early access to my building mod ! It adds over 700 blocks already and more is to come. Focused on new rocks and plants this building mod is meant to fit in with vanilla while sprucing up the limited minecraft palette.
Builders Heaven
Builders Heaven is a Modpack that is designed to enhance a creative players building experience. It adds more than 20 mods to help with QOL and Building
Building Update
Be ready to craft amazing new blocks with the stonecutter! Terracotta and concrete stairs, slabs and walls, and stairs and glass walls, be ready!
CoinFlipExtreme
layers can wager currency against each other or the house in exciting coin flip games
redstone-refined
A redstone-focused modpack with building tools and performance improvements. Build complex systems lag-free.
FirmaLifeHardCore
A mod that completely overhauls Firmalife's cellar and greenhouse mechanics — no Climate Station required. Enclosed spaces are auto-detected via BFS floodfill with dynamic AABB tracking. Any insulating blocks form a functional cellar or greenhouse.
lypz anti rotation
Turns blocks below deepslate that feature unique directional rotations into regular deepslate, useful to avoid leaking base coordinates.
Builders' Bottles
A vanilla-style texture pack that vastly changes potions, splash potions, and lingering potions' base shape, honey/exp/dragon breath included! (should have full mod support)
Mysterious Structures
A very small data pack that adds rare bedrock dropping meteorites a new villager house and a floating island lab