Minecraft Java 1.21 Mods
Browse 1,389 free mods for Minecraft Java 1.21 — popular picks include Project: Better Server, TreexClans, Craft Cobblestone.
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Project: Better Server
This Plugin adds a lot better funktions to your server, from /kit system to God armor it gives a lot features.
TreexClans
Multifunctional Clans/Teams plugin
Craft Cobblestone
Very simple datapack that allows you to craft cobblestone out of other stone types
Cobblemon Ball Satchel
Cobblemon Ball Satchel is a quality-of-life addon for Cobblemon on Fabric 1.21.1. It adds a dedicated satchel that stores your Poké Balls, keeps your inventory organized and lets you switch Ball types without filling your hotbar.
Quiet Unboxing
This mod enables silent chest opening while sneaking and holding right-click
MyHomesX
MyHomesX is an advanced and highly configurable homes plugin for Spigot / Paper servers, designed to provide a smooth, secure, and professional experience for players, staff, and Minecraft networks.
SimpleArt
Draw custom pixel art on canvases in-game. Features a smooth UI, undo system, and metadata storage for your masterpieces.
Second Hotbar
This mod allows you to quickly switch between two hotbars or slots.
Logs to Chests
Craft logs directly into chests, skipping the plank step. Works with Vanilla and modded logs tagged as ‘log’ for faster storage crafting.
Macy's End Egg Tweaks
Adds buffs and debuffs to the Ender Dragon egg, used on the umacycrimes SMP.
Subnautica Internal Modules
Subnautica... In minecraft.... In minecraft!!!!
x10k Management Core
simple plugin that adds more feature to enchance your minecraft server!
DungeonRefresher
Automatically regenerates loot in chests, barrels and vaults with custom cooldown and vanilla loot table support.
Quick Inv Sorter
A lightweight inventory management mod.
Atoms in Java
This project brings chemical elements from Minecraft bedrock (still beta)
FlezerBoxes
A high-performance crates plugin featuring ultra-fast 2-turn animations, HEX-colored rarities, unique Rune mechanics, and interactive global broadcasts.
icon modifier
This mod modifies the icon of the instance
Corex
Modern, Paper-exclusive compiled scripting engine
invitemframe
invisible Itemframe with sneak right click
Nomadic Realms
Nomadic Realms offers a primitive survival experience. Logs are tough, so use flint; but wood tools are extra weak. Chests, furnaces, and loot must be found with exploration. Death randomizes respawn, but the new Ender Chest is now vital for all valuables.
ReQ: Shulkers In Shulkers
Put Shulkers in Shulkers
Log Block Tool
LogBlockTool logs block breaks, placements, container transactions, and player interactions on a Minecraft server. It’s lightweight, fast, and designed for Paper/Spigot with SQLite or MySQL support.
DrawerShelves
Drawers storage system 100%server side using shelf blocks
LinkedInvetory
Link your Inventory and the Inventory of your friend
Pethelpers
The plugin adds a dog pet that can be summoned, leashed, and sent to find items. All pet data is saved between server restarts.
Hoshikima
This mod introduces several practical utility items that enhance vanilla gameplay with streamlined functionality and fluid mechanics
SuperDuperWhitelist
More than just a whitelist plugin
The Pandoras Box
Pandoras Box adds a mysterious block that periodically generates random items from every installed mod. + New dimension
/trigger trash
Do /trigger trash to delete the item you are currently holding!
SoulKeep
Lava/Void-safe graves with automatic compass tracking. Recover items + XP with one click (Paper 1.21+, zero deps).
InfernoAuthBungee
InfernoAuthBungee - Advanced Authentication System
SlotKeeper
Purchase inventory slots with xp to keep items after death.
EternalFriends Old
A customizable friends system plugin for Minecraft servers, built on UltimateFriends, offering enhanced social features like friend requests, private messaging, and more.
iiHomes
A simple, lightweight, free and server efficient home gui plugin.
Materia-Reborn
A progression-focused Minecraft transmutation mod inspired by ProjectE, featuring Essence, upgradeable tables, rituals, storage, and smelting systems.
EzCrafting
Custom crafting recipes for your server!