Minecraft Java 1.21 Mods
Browse 233 free mods for Minecraft Java 1.21 — popular picks include ResourcePackCached, LagFixer, Highlighter.
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ResourcePackCached
Keeps server resource packs loaded, so they don't need to be reloaded when you rejoin.
LagFixer
⚡️ Best Performance Solution! 🗄️Trusted by 3000+ servers! ✅ Lightweight and highly Asynchronous!
Highlighter
Highlights items in your inventory different colors depending on their enchantments and types.
Texture Pack Folders (Like Recursive Resources)
Mod allows folders with packs in them to work, mainly for organization. (Like recursive resources)

InventoryTweak
Fast and easy inventory sorter
InstaRestock
Instant Restock or Insta Restock makes villagers infinite restock
Double Hotbar
Adds a second hotbar that displays a row of the inventory on the HUD. This provides a dual hotbar setup where you can easily swap/hotswap/cycle which of the two hotbars is active. Improves inventory management.
Item Components
Change the default components for items! Server-side and data-driven, refreshes on /reload! (and does it properly)
Too Much XP (TME)
Yeets the laggy XP orbs, whilst still maintaining a high level count
Open Inventory
OpenInv is a powerful Minecraft admin plugin that lets staff view and edit player inventories and ender chests using /inv commands, featuring a modern GUI, database-backed inventory snapshots, rollback support, and multiple Minecraft version support.
SimpleClaimSystem
Full claim system for Minecraft servers. Fully configurable and many plugins supported.
Create: Direct Chute
Adds a new chute that transfers items directly from one container to another, without storing any item inside. Optimizes storage and performance
PerfoBooster
Delivers powerful server optimization through intelligent resource management.
Shulker Plus
Open shulker boxes directly from your hand without placing them down.
Fast Recipe
Adds quick crafting in the recipe book. Press [Ctrl + LMB] on a recipe to craft it instantly.
Create: Dimension, Steamworks Realm
Create: Dimension, Steamworks Realm introduces a brand-new mining-focused dimension, designed for automation and large-scale resource extraction. This world is filled with rich veins of ores
RainApricot Spawn Notification (for Pixelmon)
This mod sends in-game notifications immediately when BOSSes, Legendary Dens, Legendary Pokémon, Master Ball Reward Chests, and wild Shiny Pokémon appear in your Pixelmon world, ensuring you never miss them again!
Console Spam Fix : Reborn
A log filter that hide configured messages or errors from console and logs.
Lusk
Modern, user-friendly skript addon, perfect for beginners and experienced developers.
PlayerProgress
PlayerProgress is a Minecraft datapack that introduces a leveling system. Earn UP from activities like mining and combat to level up and gain new abilities and rewards.
World Loading Tweaker
Allows you to change the spawn chunk radius of Minecraft, either speeding up loading or improving spawn quality
ChestSort
Effortlessly sort your chests with a double-click!
PerformanceX
Struggling with LAG??? Look no further! PX is an All-in-one server performance suite - 50 modules including item/mob despawn timers, AI throttling, lag machine detection, auto backups, Discord webhooks, Geyser support, and more. 1.8.8-26.2.
CleanContainer
CleanContainer helps you to sort your inventory and your containers, such as chests, barrels, shulkers, minecartchests and enderchests.
EssentiaX
Custom Minecraft commands, teleportation, AFK, mute, homes and more and fully customizable.
Redstone Helper
Mod which must you to help with redstone!
MTSAntiCheat
This anti-cheat ensures fair gameplay by verifying client mods and textures, blocking hacked clients and unauthorized tools, and giving server owners full visibility and control to keep their SMP secure and competitive.
Networks
Redstone-Free Automatic Storage Systems, Vanilla-integrated
TradingPlus+
Enhances trading by adding over 280 new trades for villagers, providing a richer and more varied gameplay experience.
MC-Reality Mod
this is a mod for Minecraft that seeks to transform the game experience into something closer to real life. It includes elements such as needs management (hunger, health, energy), an economy system, work, and the ability to interact with other player
PlayTimeManager
PlayTimeManager is a playtime tracker that monitors player activity with extensive customization and automated rewards.
Zero Inventory Problems - ZIP Backpacks
Zero Inventory Problems is a plugin for Spigot based Minecraft Servers that adds backpacks to store there overfully inventorys.
RandomDirtDrops
RandomDirtDrops is a fun Minecraft data pack that makes breaking dirt blocks drop completely random items from the entire game — from diamonds to dragon eggs! Perfect for chaotic survival challenges and OP item speedruns.

Protect
A WorldGuard-like, modern world protection plugin made for API usage
Shulkers In Shulkers *updated version*
The updated version of Shulkers In Shulkers for the later versions of minecraft. Supports 1.20.1-1.21.6
WorldListTrashCan
More Than Just a Cleanup Plugin