Minecraft Java 1.21 Mods
Browse 138 free mods for Minecraft Java 1.21 — popular picks include Son sat, thuy chung: a Keep Inventory enchantment, MassRenameGUI, SunIslandArrowAddon.
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Son sat, thuy chung: a Keep Inventory enchantment
A Keep Inventory enchantment, currently the few one working when immediate respawn is true
MassRenameGUI
Plugin that adds a GUI to rename multiple Stacks of Items or unstackable Items at once, requiring only an already renamed item as a template. Useful for mass-renaming Shulkers for example.
SunIslandArrowAddon
Custom Arrow and Quiver plugin!

Apple-ied Inventories!
Expand your inventory size with the power of apple slices! yes, literally!
NoPunch
Blocks the Punch enchantment on bows.
Time Bank
A hardcore survival plugin where players have limited lifespan based on real playtime. Time is tradeable as physical crystals, creating a unique time-based economy!
BLOCK DISPLAY DELETER (BDD)
Adds Command that deletes Block Display
MagicLootStructures
Add any items to vanilla loot
Create Based Pack 2
Create Based Pack 2 is an industrial sandbox merging the mechanical magic of Create with advanced nuclear tech and digital storage.
CreeperChestSave
Chests don't explode but blocks do.
Numberous
mod that add math to minecraft
Vow of Return
A keep Inventory enchantment
twinkle popo mod
it adds twinkle popo realistic pikachu and realistic hellokity
More Functional Storage Upgrades for ExNihilo
Addon for More Functional Storage Upgrades to support ExNihilo blocks
MendingMaster
Repair your tools with your own experience levels using a simple command.
OpenRouter Chatbot
OpenRouter Chatbot is a powerful and highly configurable Spigot plugin that integrates the OpenRouter AI API into your Minecraft server.
Experienceable Bottles
Makes Enchanting bottles craftable with Amethyst and Lapis
P_Comandos
A plugin for commands in items!
Which Pot?
Which Pots adds a new potion storage container. It holds and manages all your potions so that you can keep looting!
RupeeEconomyCompanies
RupeeEconomyCompanies is a powerful economy and business management plugin for Minecraft servers running Paper or Spigot (1.21+). It introduces a complete ₹ Rupee-based financial system where players can create companies, manage employees, run businesses.
JsChatManageMent
ChatGuardX is an advanced Minecraft Paper 1.21+ plugin that provides complete chat moderation backup and security system for servers. It includes anti spam caps detection blacklist filters and link blocking to keep chat clean. The plugin supports mute unmu
CBook
CBook adds 2 books: one copies items, the other temporarily clones items.
AquaAdder
AquaAdder is a plugin that can add custom blocks, Items, gui and much more
bItemFilter
Keep your inventory clean. Automatically filter which drops you want to pick up and which useless items should stay on the ground.
OneStackMax
A datapack that makes all items unstackable
PaletteCraft
PaletteCraft is a lightweight plugin that lets builders save their hotbar as custom palettes. Players can instantly equip these layouts via commands, bypassing menus to speed up building workflows.
Mentalitys | XP Reserve
Reusable XP flasks that store exact experience, support Mending, and protect XP on death.
Chosen's Create Integrated Modpack (1.21.1) – Advanced Factory Building
Chosen's Create Integrated Modpack is a technology-focused modpack built around Create that combines mechanics, magic, and modern logistics into a smooth automation journey, featuring Create-based factories, Ars Nouveau magic integration, Refined Storage 2 systems, high-tech scaling with Just Dire Things and Replication, custom resource loops, and progression from simple machines to large-scale industrial networks. Features: […]
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...
Omni Space
A Minecraft Paper plugin that provides players with private storage dimension spaces.