Minecraft Java 1.21 Mods
Browse 1,387 free mods for Minecraft Java 1.21 — popular picks include Waystones Plus, IDCardM, ItemsGlow.
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Waystones Plus
This project reworks Waystones UI to make it more user friendly
IDCardM
A lightweight mod that introduces player ID cards with data storage, networking, and GUI support.

ItemsGlow
Highlights the items you need in any storage with the ability to change colors!
Data Driven Stack Sizes
Override default `max_stack_size`s using data-driven item tags (Data Not Included).Increase the maximum value of the max-stack-size data component for 99 to 2048. Dev on all my projects will be paused for the duration of the BDS boycott against Microsoft.
Aspects: Filcher's Limbo
Aspects addon adding a new Aspect capable of going into a new dimension to "safely" store anything you desire.
Create: Capsule Corp.
Capture, store, and redeploy Sable simulated contraptions using capsules.
Stackraft
Compress farm items like sugarcane, gunpowder, and more to save space. Works with the new Auto Crafters. Perfect for managing large farms and keeping your inventory organized.
Shades (Hollow Knight)
A mod that adds the 'shade' mechanic from Hollow Knight.
ExtraRecipes
Adds A Few Extra Crafting and Smelting Recipes "Vanilla"
Fair Sophisticated Backpacks
Makes backpacks more fair
Dong Dong's random creation
magic and energy,new ore,new dimension,new tool and weapon type.
Nearby Inventory Crafting
Craft using items from nearby chest's without moving them
SimpleRepair
Simple Repair Plugin/Mod for Paper, Sponge and Fabric
Horarium
Adds the Hourglass, an essential tool for keeping track of time!
SPR Additions
This mod adds many new features to the Sable: Player Ragdoll mod
PlayerVaultZ
Advanced player vault plugin with pagination system

PerWorlds
A plugin that allows you to store player data per world
PooperMC
The all-in-one solution for any server. Message Logging, Mention, Chat Color, Description / MotD, Muting, Reporting, Staff-Chat, Friends, Parties, Vein-Mining, Whitelist, Better-AI, AFK, Menu Commands, Global Ender Chest, Death-Banning, Anvil-Cap and more!
Hat Club
Purely server-side or singleplayer. Dyeable, enchantable, repairable, protective hats with fun acquiring mechanics.
ProbablyBackpacks
Backpacks… probably. I guess.
Enchantment Rarities
A lightweight client-side mod that adds a color-coded rarity system to enchantments.
Golem Forget Me Not
Increase the number of chests that copper golems remember before giving up their search
Blind's Music Discs
Additional music discs to find out in the world as well as a new type of jukebox to use them on.
Mechanical equation GUI Add-on for Sophisticated Backpack mod
This is an add-on for Mechanical Equation GUI pack,It made unique textures for most of the GUI images of Sophisticated Backpack mod.
Geode Mania
Adds 2 new dimensions, new combat mechanics, 4 new ore types, and a heavy emphasis on Copper and Amethyst!
Smart Sorter
Lightweight Auto-Sorter and Storage Network for 500+ chests. Features automated smelting, XP collection, and smart routing for Fabric 1.21.1+.
DeadChest
A polished death chest plugin with timed loot phases, rich customization, and in-game admin controls.
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 ! )
Trade Everything
Gives every villager an extra "Trade Anything" slot that accepts any item and exchanges it for goods the villager buys, at configurable rarity-based values.
DisplayShops
Create immersive simplistic shops with animations, efficient transaction handling, and much more!
Slimefun United
A modern and organised continuation of Slimefun’s legacy. Slimefun United transforms your server into a modpack-like experience with backpacks, jetpacks, reactors, electricity, automation and countless new systems.
Crafting Refinements
Refines and adds various crafting, blasting, and stonecutting recipes to provide a balanced, convenient, and consistent crafting experience.
Command block in item tab
This mod adds hidden items to a new item tab.
XGamemode
You're not switching modes, you're switching dimensions.
DeathChests
Simple lightweight plugin that stores your items in chests(graves) on death, and lets you know where you died. (PS: better with Java than drawing)
XP Vial
Magical glass bottles that allow you to safely store and retrieve your experience points.