Minecraft Java 1.21 Mods
Browse 296 free mods for Minecraft Java 1.21 — popular picks include Vanilla Protocol, Craftable ore blocks [aether support], QuestCraft.
Updated daily
Vanilla Protocol
A server-friendly, vanilla-compatible modpack that retains the core Minecraft experience while improving performance, visuals, quality-of-life, and building tools, without altering vanilla gameplay or mechanics.
![Craftable ore blocks [aether support]](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/modrinth/396023.webp)
Craftable ore blocks [aether support]
Allows you to craft standard, Nether, Ancient Debris, and Aether ore blocks using base stones and raw items in 1.21 family
QuestCraft
A minecraft server plugin providing daily quest for the players to complete to earn 'credits' to buy building items
Dreamcraft Network's Cobblestone Variants
This adds a few cobblestone variants for building better realistic buildings
Better Crafting Recipes
Makes the building blocks' crafting recipes feel more consistent.
Maikura Build Tools
Vanilla-friendly building utility tools for Fabric.
Steam Empire 2
This modpack mainly focuses on Create and its addons. It adds machines, automation, factories, transport systems, and many mechanical features to Minecraft. The modpack is all about creativity, building large industrial systems, and making complex automate
Rift Anchoring
A Chunk Loader Mod Keep your chunks loaded — upgrade a Respawn Anchor with an obsidian base to maintain a 5x5 chunk area
More Bounce
This mod adds many new bouncy balls to minecraft for example the house ball spawns a ball wherever it lands its a fun goofy mod that you can add to your sever for more fun. This mod is to help minecraft on expanding there balls for not just having snowbal
Dupers Server
Duper's Server is a base plugin for a duping server, with a bult-in rank system and duping, Duper's Server is the base to your duping server.
FragmentVersion
FragmentVersion is an alternative development branch for Minecraft. Rebuilding the game piece by piece, perfecting vanilla mechanics and introducing entirely new, unique content.
Simple Recipe Enchanted Golden Apple
A simple datapack recipe for an Enchanted Golden Apple works by adding a custom crafting recipe to the game without modifying the base files.
Create: Liquid Blueprints
Allows Schematicannons to place fluids when building schematics.
Precast Structure
Add a mechanic to automate repetitive building projects.
Chicken Jockey Arena
Spawns a Chicken Jockey in Each Mansion Arena
BetterSlabPlacement
Allows placing full blocks on top of bottom slabs, greatly improves building flexibility. Requires Fabric API.
MCookieClicker
A fully configurable Cookie Clicker plugin with buildings, upgrades, particles, progression system, and optimized performance.
Soluner's better recipes
Better recipes that I wish was in base Minecraft. Some of these are for jokes though.
Arcana Modifications
[WIP]A mod that aims to change certain vanilla or modded aspects that we sometimes wish were part of the base experience.
The Watching World
A per-player karma score the world reacts to. Kindness (planting, taming, building) earns favor: animals approach, gifts drop, daylight healing. Cruelty earns dread: monsters hunt you and crops grow slower. Server-side, 1.21+ (Paper/Spigot/Bukkit/Purpur).
AutoRTSManoeuvre
A client-side Minecraft mod that adds an RTS-style top-down camera, command-based control, contextual interactions, and smarter building workflows for a more strategic way to play.
BuildPalette mod
Gives you the building blocks quickly by defining ready-made palettes
ozHomes
OzHomes is a modern premium homes plugin for Paper 1.21+ servers, built with a clean GUI-driven experience, async database support, teleport warmups, sequential home progression, and full customization through MiniMessage configs.
AwesomeHouses
wesomeHouses links AwesomeTaxes regions and AwesomeKeycards locks into a single house-buying workflow.
HereEngy
A paper plugin to create and place blueprints from existing buildings
SafeBase
Create a safe zone around your base, allowing (or forbidding) other players. To designate a SafeBase, place a lectern on a wool platform, then add a book-and-quill with a list of player names.
Spot Builder
Minecraft 1.21.1 plugin where admins can create building zones using a special wand, automatically reset them, randomly teleport players to free zones, and manage points through a GUI menu with scoreboard support.
Create: CC More Bases
An addon for Create: Cultivation Craft that adds more cultivation base variants.
Dirty Advancements
This data pack adds 9 advancements about dirt to the base game! Did this as my 1st project with data packs so dont expect much!
shepherds house repair
Fixed the issue where the Shepherd house could not be generated
Better Mansions
A complete remake of woodland mansions updating every room to have new blocks, features and loot.
Maan Auth
A modern, secure authentication plugin for Paper & Spigot 1.21.11 with premium auto-login, CAPTCHA, session management, smart alt detection, and multi-database support.
zombieguard
this its a zombieguard mod,you can spawn a costum zombie that will patrol an era this can abe very useufel fro costum building but becarfule he can go thought walls
Relocation
A simple building relocation plugin
The Star Defender
Protect your base from phantoms and ghasts!
PaletteCraft
PaletteCraft is a lightweight plugin that lets builders save their hotbar as custom palettes. Players can instantly equip these layouts via commands, bypassing menus to speed up building workflows.