Minecraft Java 1.21 Mods
Browse 3,940 free mods for Minecraft Java 1.21 — popular picks include ModernShowcase, AE2 ID Sorter, More storage blocks.
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ModernShowcase
Advanced glass showcase, display anything with custom angles and extreme lightweight performance.
AE2 ID Sorter
This mod replace sort by mod to sort by ID in AE2 Terminal.
More storage blocks
You can uncraft more blocks for better memory management
Mecânicas Classicas (PT-BR)
Adiciona uma variedade de funções e mecânicas de versões antigas do minecraft!
NoTotems Plugin
Disables Totems of Undying for players
Player Manager
Player Manager a powerful and intuitive Minecraft plugin for efficient player management.

SimplePin
Plugin for registration with GUI interface
Sable Assembly Fix
Fixes item duplication during Sable assembly/disassembly by preventing non-Clearable block entities from dropping their contents. Works with any mod - Keg, cabinets, baskets, Item Drains, Sophisticated Storage, etc. No configuration needed.
CleanCraft by ACUL [Neoforged]
CleanCraft is a Vanilla+ Neoforge modpack focused on performance, visuals, and quality-of-life. Featuring Sodium, shaders, Xaero’s map, Tom’s Storage, and more—it's perfect for builders, explorers, and smooth multiplayer.
Give me More Slab (GMS)
GMS is a simple and practical Minecraft mod that expands building possibilities by adding slabs for many more blocks.
StorageBox Adapter
StorageBox mod addon that able to import to/export from StorageBox
yyz's Backpack + Cobblemon GUI
Textures for each backpack to use alongside Cobblemon Interface!
HerrShulker
HerrShulker is a fork of the popular MrShulker mod, bringing compatibility to MC1.21.10+. The mod allows players to craft Shulker Boxes with another Item on an Anvil so that the Item will display on the Shulker Box as a label when placed in the world.
PlayerInv LightWeight
Support Module items and NBT items ( give player more vaults )
Super Source Block
Adds infinite source blocks for almost everything.
Ominous Chest Lock (& Lock Picking)
Paper plugin (1.21.0 –> 26.2) and Fabric server mod (1.21.11 + 26.2) that locks any container to a named Ominous or regular Trial Key, with an optional lockpicking minigame!
LockyLocks
Secure your treasures with durable locks and forged keys, a personal touch of protection.
3x3 Hotbar
Adds a configurable 3x3 hotbar to your game
Convenient Containers (ConCon)
Serverside mod for convenient, portable containers and workstations supporting Fabric and NeoForge.
FastHopper
It makes hoppers transfer items faster! Use: /fhopper hopperItemsPerTransfer [1-64]
Dead Body
The Most Advanced Realistic Lootable GUI Corpses Graves and Dead Bodies for Mobs and Players in Minecraft! + PVP Logging Solutions & More

unbound items
Unbound Items expands item stack sizes up to four times their original limit, capped at 256.
Polymer Digital Chests
Digital Chest adds advanced, server-side storage that works with vanilla clients (thanks to Polymer). Build linked storage networks, search/sort huge inventories, automate input/output,
SIR
A simple chat plugin that have a lot of functions to customize your server.
Data Command Plus -storageplayer, Concatenate, Loot
use the /data command to concatenate strings, and use storage for each player
Give Item
Add the mechanic of sharing objects with your teammates, without the need to throw them.
GeyserAutoUpdate
A Geyser extension that autoupdates extensions and geyser itself.
Empty Shulker Nesting
Allow you to put empty shulker boxes into another shulker boxes to make more space
Elements Spear Plugin
Minecraft Spear with magical abilities Epic plugin for your smp
Compressed Box
Create Compressed Boxes to gain space in your base
CobbleBob: A Pokémon Adventure
Welcome to Cobblebob: A Pokémon Adventure! This pack is focused on one thing and one thing only... filling out the Pokédex. For the adventurers, there are dungeons and backpacks. For the builders, there are many different building centered mods.
Cabinets
This mod adds cabinets
Wooly String
A mod that simply adds the ability to craft wool into string
CryBackpacks RP
The official vanilla-friendly 3D resource pack for the CryBackpacks plugin. Required to display custom backpack models on your server.

Azurite/Bluewood mods
此模组简称A/B ms|This module is referred to as A/B ms 此模组现已全部完成!(后续会根据反馈的问题进行整改) This mod is now complete! (Rectification will be made according to the feedback in the future)

Falcon Spawners
A powerful Minecraft spawner management plugin with economy integration, interactive GUIs, and persistent storage. Buy, sell, and trade mob spawners with Vault support. Based on DonutSMP Spawners.