Minecraft Java 1.21 Mods
Browse 86 free mods for Minecraft Java 1.21 — popular picks include Potion Container, JavaSkript, Viv's Vending Machines.
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Potion Container
This is a convenient container that allows you to store multiple types of potions in a more practical and user-friendly way. It features flexible configuration options, allowing you to customize certain aspects to suit your preferences.
JavaSkript
JavaSkript lets you create Paper server scripts using simple .java script files. Make changes instantly without setting up a full development environment or restarting your server.
Viv's Vending Machines
Vending Machine Datapack
Over the Top
Aims to bring World War One era Trench Warfare to Minecraft

THIS
Port of the Chickens mod, as well as roost!
Dacy's Toolbox
This mod adds tools/weapons/blocks that aid a survival mode player in PvP or just minecraft in general, It adds anything you can think of, Ores, Armor, and a lot of tools.
Create and Much More!
This modpack focuses around Create and its many additions to enchance the world! Such as Handcrafted, Farmers Delight, Sophisticated backpacks and many more.
Create Edition
This modpack is heavily focused on the Create mod, featuring a large collection of addons and expansions that enhance automation, engineering, and complex mechanical builds.
Data Guard
It's a PaperMC plugin that automatically saves player and server data so nothing gets lost or rolled back unexpectedly. It snapshots everything — inventory, armor, ender chest, XP, health, food, potions, and location.
CustomDrops Pro
A plugin that lets you edit the rewards received from monsters. Supports IA IE IT MM and can be easily edited.
Engineer`s pack
This modpack offers create-centered gameplay with additions such as nutrition system, seasons and backpacks.
Unbound Adventures Into the Unknown
Unbound Adventures: Into the Unknown blends exploration, tech, magic, and space travel. Build with Create, cast spells with Ars Nouveau, and manage your loot with powerful storage mods.
CatItems
CatItems is a plugin for creating custom items right in the game. With it, you can add attributes, enchantments, hide prompts, give permanent effects, create abilities on Shift, and build .schem schematics on right-click...
PattysMoreStuff
Adds more Tools/Blocks/Items and other useful stuff to minecraft