Minecraft Java 1.21 Mods
Browse 1,389 free mods for Minecraft Java 1.21 — popular picks include AstraMarket, Antideath-Carpet-addition, Create: Factory Logistics - Re-Packager Fix.
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AstraMarket
Global Market for your minecraft server
Antideath-Carpet-addition
Antideath-Carpet-addition is a Carpet Mod extension for Fabric Minecraft servers (versions 1.21.x - 26.2) designed to enhance and optimize the game experience. It adds a suite of new loggers for server monitoring and game rules for survival, optimizatio
Create: Factory Logistics - Re-Packager Fix
Fixes the Re-Packager to output Composite Packages.
Starlight-Plugin
A plugin containing everything you need :D
Donut Hoppers
This plugin brings fast hoppers from Donut SMP and works perfectly with everything else like furnaces and crafters.
LifeSteal PVP
Datapack for modified LifeSteal heart system
Advanced Graves
The Best Advanced Graves Mod/Datapack with Highly Customizable Features!
Essentia - The XP Bank
Essentia is a lightweight Fabric mod for Minecraft that introduces a clean and intuitive system for storing and managing player XP.
Convenient Auger Shafts
An addon for Create Aeronautics that grants Auger Shaft the ability to deposit items into inventories at its end following their flow of direction & extract items from Swivel Bearings with connected Borehead Bearings!
Rot Timer
Adds realistic food spoilage, barrel storage bonuses, temperature-based decay, and long-lasting canned stew for a deeper survival experience.
Large XP Bottles
Adds Large XP Bottles, which contain more XP than a regular XP Bottle while still maintaining balanced gameplay.

Ennui's Bigger Gambiarra
A messy workaround (a.k.a. uma gambiarra) that adds compatibility with Ennui's Bigger Inventories to certain mods.
EnderCarryOn
EnderCarryOn is a PaperMC plugin developed based on the CarryOn mod.
Big Items API
A really simple library that allows developers to make items take up more inventory slots.
SharedBackpacks
A plugin that adds virtual backpacks to the game that can be shared with other players.
Kaths Keys&Locks
Lock your chest and other containers against other players stealing your diamonds.
Demise
Death is an inconvenience! Why not fix that?
Merged Items
Adds a merging mechanic for items. Items can 'store' other items and will inherit their attribute modifiers.
AllStackableContinued
An updated version of AllStackable, a highly customizable Minecraft Fabric Mod that allows you to make items stackable and change their stack size.
Koniavacraft
Explore the fusion of magic and technology in 'Koniavacraft' and drive your arcane industrial revolution!
FRSpawnProtection
Prohibits interaction with blocks within a certain radius until you have played the required number of minutes.
Inventory Backup
InvBackup is a plugin for Minecraft server administrators that offers a comprehensive solution for backing up and restoring player inventory. Its features allow for both manual and automatic backups, ensuring that players' items are always protected.
BetterReset
Minecraft plugin that lets you safely reset a world’s Overworld, Nether, and End while the server is running, with player protection, async deletion, and full regeneration in one command or GUI.
DrTeleport
Best free all-in-one teleportation plugin for Minecraft servers featuring TPA requests, personal homes, RTP (random teleport), and server warps

Traveler's Chest
Part of the Traveler's Series; This mod helps server administrators create chests that refresh after a cooldown period has completed. This mod was designed for the GBTI Network SMP to help regulate adventure based POIs.
Sculk Vial
Adds a Skulk Vial where you can store and receive experience
More Essentials
This mod adds crafting recipes to items like the chainmail armor and items that should be in Minecraft.
Akoi Meexx: Tombstones
An on-death item retention datapack designed to be mostly vanilla-esque.
FurnacePlus
This plugin adds the ability to improve the stoves, thanks to this, the melting speed increases.
EnderChestPlugin
Open your Ender Chest with a command.
STE
A mod that centers around mechanisms and electricity,automate and create as much as you can to gather resources faster,also whit add-ons support!
Mouse Tweaks x ItemLocks Compat
Adds compatibility between ItemLocks mod and Mouse Tweaks
Name-Based Whitelist
Simple name-based whitelist for your servers. Yaml or MySql storage.

1.21.7 Backport (Lava Chicken Backport)
Port of the new 1.21.7 features to older versions
Stack 99
Makes every item stackable up to 99.
ConicArenas | Enhanced 2.0 Version
An Advanced Arena Reset & Management System, Added support for saving all storage blocks & nbt items.