Minecraft Java 1.21 Mods
Browse 3,941 free mods for Minecraft Java 1.21 — popular picks include Backup Scripts, HoloInventory Revived, Deez Sacks!.
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Backup Scripts
Execute your scripts at builtin save system events.
HoloInventory Revived
Revival of the HoloInventory mod: Have a holographic display of items in your containers.
Deez Sacks!
Adds compatibility between Supplementaries sacks and EasyShulkerBoxes features!
99 Nights In The Forest
I am making a mod thats like 99 nights in the forest the roblox game but in minecraft it will start very simple and might have bugs

Jam & Jelly
Amazing mod about jam cooking and other related stuff.
Amulet Bag (Apotheosis Addon)
A small unofficial addon that adds a dedicated bag for Apotheosis charms.
Storage Terminal
Storage Terminal in your vanilla world! Totally clientside!
UIM Minecraft - Hotbar Only
Inspired by Old School Runescape's Ultimate Ironman mode, this datapack restricts your inventory and storage options, providing an interesting challenge and a new way to play.
The Heaven Sword and Dragon Saber
Simple auxiliary information display including: Coordinates, Time, Weather, Direction, Backpack sorting with R key, Mass storage and retrieval for chests.
Deepslate Industries
A grounded, progression-based tech mod for Minecraft 1.21.1 built on Fabric. Power your world using the natural strength of Deepslate and Amethyst, and rise from basic smelting to full industrial automation.
Borukva Inventory Backup
This server mod create backup mechanic for players inventory. Support MySQL or file H2.
Modern Industrialization Item Hatch Stack Upgrade
Add Item Hatch Stack Upgrade to Modern Industrialization Mod.为现代工业化模组新增物品仓堆叠升级。
Create: Rescue Frogport
A minecraft mod for create conveyor network monitoring and rescue.
Ratchel - Caverns & Chasms
An addon for Caverns & Chasms that adds Rat Satchels that can easily store Rats.
Paojiao134's Airdrop
Within the game, you can summon drop-offs by using commands and customize the contents of the drop-offs.
Simple Grave
Simple Graves is a vanilla Java datapack that protects dropped items after death and guides players back to an owner-locked grave.
Sophisticated Backpacks: Omega Crafting
Addon for Sophisticated Backpacks. Adds a single Upgrade that embeds the eight vanilla workstation upgrades in one backpack slot.
Supply Crates
Drop Crates with loot tables for your players!
Camp Cobblemon - Lightly Modded Cobblemon + Builder Tools
A lightly modded experience for the private server, Camp Cobblemon! Includes tools for builders, backpacks, drawers, and other quality-of-life mods.
The Emc Plugin
A plugin from projectE mod to Plugin!
Scavenger Chest - The Return
Duplicating Chest block fits for overpowered modpacks
Greg's Team SMP
A lightweight team & claim plugin for Minecraft SMPs. Manage your territory, protect your land and dominate the map with your team.
No More Ender Chest
Datapack that remove enderchest craft
Automated Item Frames
Set the item frame item to the most common item on a chest/barrel (automatically).
ImageCanvas
A server-side plugin for uploading images
AE2 : Cell Upgrade Compat
a simple mod add QoL Recipe for Storage Cell in AE2 add-on
Auto Trash
Allows the player to put items in a menu. If the item that was put in the menu and picked up again, it will be deleted.
No More 63 AE2
Remove AE2’s default limit of 63 unique item types per ME item storage cell and replace it with a custom configurable limit.
Inv Hud
Displays armor durability and food count as an in-game HUD overlay.
Quality of Horse
A simple & highly configurable mod for "improving" horses
Refined Storage BDCraft
BDCraft (originally by Sphax) patch specifically created for Refined Storage in 512x - 32x!
Piglin Economy
Piglin Economy expands Piglin Trading with their own coins called "Coinks"
Custom Vein Miner
Mine entire veins and fell whole trees in one swing with full Fortune & Silk Touch support
Tycoon Shop
Tycoon Shop — a mod that lets you create custom shops and sell items using its own in-game currency.
Crafting Tree
Expanding Minecraft's "sandbox" aspect through crafting (and other tables).
Mekanism: Ascended
An addon that pushes Mekanism beyond its limits with ascended technology