Minecraft Java 1.21 Mods
Browse 3,935 free mods for Minecraft Java 1.21 — popular picks include Hopperflow, BlockNadzor, KNLibs.
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Hopperflow
Hopperflow the futur of storage.
BlockNadzor
Bureaucratic restrictions and censorship in Minecraft.
KNLibs
KNLibs is a lightweight, high-performance core library required for all KN Projects plugins.
VanillaProtect
VanillaProtect a lightweight protection plugin that prevents new players from breaking blocks or opening containers placed by others. Newcomer period, storage type, and languages (EN/RU/UK/DE) are fully configurable. Supports Paper, Purpur, Spigot, Bukkit
Kaze's Kit Setup
A datapack that adds the ability to create and load kits withoout using mods.
VortexSellChests
Automated sell chests with item collection, filtering, upgrades, fuel support, and economy integration along with infinite storage chests
[SaS] Scraps and Salvage
Allows armor and tools to be salvaged into scrap which can be crafted into ingots.

easy bundle
experimental bundle but simple recipes
Easyspeak
A lightweight chat management plugin designed to give server admins control over player communication without the added headache.
SkyBans
SkyBans is a lightweight yet powerful Java-based punishment system for Minecraft servers. Built with a focus on security and efficiency, it provides a comprehensive suite of tools for moderating players via UUID and IP-based tracking
HandyCommands
A small and lightweight plugin that aims to add some very useful features.
ModernBackPack - Plugin
Craft cusom backpacks
ItemVault
ItemVault is a virtual storage plugin for Minecraft that allows players to store their items in a database and retrieve them when needed.
XP = LIFE
This Plugin connects your life force to your xp giving debuffs and buffs based on xp
PrivateQuestChest
A powerful per-player chest system designed for quest-based gameplay.
AutoBamboo
A simple Minecraft mod that automatically collects bamboo into your inventory when opening chests. You can toggle the mod ON/OFF using the Right Shift key for convenient control This mod will save you so much time on servers – give it a shot!
DeadBundle
A small fork that, upon death, turns a blob into a single timed pouch, preserving the familiar vanilla gameplay
LowdFX
LowdFX extends your Minecraft server with an extremely comprehensive range of features that excites both administrators and players. The plugin combines teleportation, inventory management, moderation commands, and many more features in one package.
Clean The Inventory
Quickly clean your inventory by deleting selected items. Keeps your inventory organized and clutter-free.
[FREE VERSION] CubePowered - Custom machines, workbenches, storage & a power delivery system!
[ItemsAdder Addon] Custom machines, workbenches, storage & a power delivery system!
Bundles Into Backpacks
This resourcepack makes bundles look like the original Backpacks mod
Arrow Owner
When an arrow is shot it will store the Owner and the UUID of the entity that shot it so you can bus those arrows along to your newly made voodoo machine

Burn It
Simply right-click items over a lava bucket or flint and steel directly in any inventory to burn them!
MPostbox
A fully configurable mail system that allows players to send items and messages to other players — even while they are offline.
QuickStash Wand
Instantly stash items into containers with a wand (MATCHING/ALL modes).
SyAPI
Provides some obscure APIs for the development of other plugins
Bell Craft
Now you can craft Bell from stonecutting!

Lucid Gallery
A sleek in-game screenshot gallery. Browse, preview, and one-click upload your screenshots straight from the pause menu - no more alt-tabbing to your file explorer.
[SPD]Spreading Plague: Desolation
Mysterious liquid metal intertwined with hatred—who can tell what will happen?
Forests - Vanilla Expanded
A mod that adds vanilla friendly forest biomes
MemoryBook
MemoryBook records important SMP milestones and turns your Minecraft server history into an in-game timeline, GUI, and written book.
BetterFilters
GUI-based hopper/chest filters using custom item! Filtering solution for your server!
Better Blasting
Better Blasting drops
Superior Crafting Frame
A modern remake of Super Crafting Frame
bItemFilter
Keep your inventory clean. Automatically filter which drops you want to pick up and which useless items should stay on the ground.
Wireless Hopper
A Paper Plugin that adds Wireless Hoppers to your server. Replace your old long and laggy hopper chains with a single Wireless Hopper.