Minecraft Java 1.21 Mods
Browse 96 free mods for Minecraft Java 1.21 — popular picks include Industrial Foregoing, Factory API, Craft Slabs Back into Blocks [Fabric/Forge/NeoForge].
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Industrial Foregoing
A collection of machines to make your minecraft builds easier to automate
Factory API
An API that supports different mod loaders and is the basis of mods like Factocrafty
Craft Slabs Back into Blocks [Fabric/Forge/NeoForge]
A fully configurable mod that lets you craft slabs back into blocks
[FVTM] Fex's Vehicle and Transportation Mod
A vast addon-based mod allowing you to create Vehicles, Containers, Items, Blocks, Food/Drinks, Clothes and more!
Craft 6 Stairs Instead of 4 [Fabric/Forge/NeoForge]
makes it so that you get the same amount of stairs from crafting as you get from the stonecutter
BankSystem
BankSystem is a Minecraft mod that brings money in to the game. Used as a dependency for other mods
Piglin Conservatory v3.0
Adds a news structure to the Nether, The Piglin Conservatory, along with a new Obsidian Apple, Dragon Fruit, Toxic Mushrooms, Hoglins' Fossils, Corrupted Emerald and a New Music Discs!
Geyser Recipe Fix
Allows Bedrock (Geyser) Players to use custom anvil and smithing recipes.
Create: Dimension, Steamworks Realm
Create: Dimension, Steamworks Realm introduces a brand-new mining-focused dimension, designed for automation and large-scale resource extraction. This world is filled with rich veins of ores
Lusk
Modern, user-friendly skript addon, perfect for beginners and experienced developers.
PlayerProgress
PlayerProgress is a Minecraft datapack that introduces a leveling system. Earn UP from activities like mining and combat to level up and gain new abilities and rewards.
MC-Reality Mod
this is a mod for Minecraft that seeks to transform the game experience into something closer to real life. It includes elements such as needs management (hunger, health, energy), an economy system, work, and the ability to interact with other player
EzEconomy
Modern, fast, and flexible Vault economy provider for Minecraft servers. Supports YML, MySQL, SQLite, MongoDB, and custom storage. Multi-currency, async caching, and robust permissions for any server size.
RandomDirtDrops
RandomDirtDrops is a fun Minecraft data pack that makes breaking dirt blocks drop completely random items from the entire game — from diamonds to dragon eggs! Perfect for chaotic survival challenges and OP item speedruns.

Protect
A WorldGuard-like, modern world protection plugin made for API usage
fairy
Fairy is a compat & open-sourced Framework made with love <3
wd's Selling Bin
A data-driven selling bin mod
AdvancedReplay
Minecraft Replay Plugin to record players on your server
Qa Villager Extends & Waste Innovations
This mod enriches Minecraft with new villager professions, practical work blocks, optimized resource recycling, Qa rosegold, and more.
Common Storage Lib
A library mod abstracting Capabilities/ApiLookups, Data Attachments, and Item/Fluid/Energy Storage for NeoForge and Fabric

PerWorlds
A plugin that allows you to store player data per world
Redstone Additions
Best redstone&tech datapack, Super optimized, 55+ blocks (Block breaker, block placer, filters, conveyors, item pipes, breeder, generators, gates, chunk loader, wireless redstone, multiblocks, jetpacks and so much more ! )
Xhomes
Xhomes is a Minecraft plugin that lets players set and manage homes with an intuitive GUI. It includes teleportation countdowns and movement cancellation. Players can now teleport directly to a home using `/home <homename>` or browse their homes in a s

Hopplet (Hopper Filters)
Expressive hopper filtering, written as plain text. The most powerful plugin in this domain. Filter by any item property. Extendable via a strong developer API.
PySpigot
A Python scripting engine (plugin) for Minecraft servers running Bukkit or one of its forks (Spigot, Paper, etc.).
OpenJavascript
Create custom menus, commands, plugins, systems, basically anything with scripts in Javascript! With multithreading and Folia support! Everything is fully documented in the documentation!
RankPlugin
RankPlugin shows player ranks as PNG icons from a resource pack in both chat and the tab list, with easy configuration via ranks.yml, commands, and GUI.
Draventh Ores
⚒ Advanced Tier Ores & Equipment This mod expands Minecraft’s survival progression by introducing 15 new late-game materials, each with full armor and tool sets. The goal of this mod is simple: Extend progression beyond Diamond and Netherite with a struc
More Villages Datapack
Adds more villages to the game.
Media HUD
Media HUD is a client-side Fabric mod that adds a draggable media player HUD to Minecraft Java Edition. It supports local audio and video playback from disk, library browsing, saved HUD position, full and compact layouts and multiple visualization modes.
Kappa's AntiCheat
A lightweight Fabric anti-cheat designed for high performance on large-scale servers.
FoliaPerms
A plugin that adds a permission handler to multi-threaded Folia servers, since the lack of permission plugins in Folia!
mcs_permissions
Server Essentials, but for vanilla minecraft made in datapack format.
EnderchestExpand
This plugin makes the enderchest as big as a double chest
Don't Crash Obscura
Crash-guard mod for NeoForge 1.21.1 that intercepts Tom’s Storage capability lookups and inventory tracking to prevent server crashes from invalid caches, failing safely instead of halting your world.
ItemDisplayPlugin
This plugin allows the collection of items dropped within a 5-block radius in Minecraft, merging the items with the same type and displaying their quantity in the item’s custom name. Items that cannot be stacked, such as enchanted equipment (e.g., swords,