Minecraft Java 1.21 Mods
Browse 770 free mods for Minecraft Java 1.21 — popular picks include Extra Entity Attributes, CS HOME, RankedSMP-Better.
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Extra Entity Attributes
This mod adds new attributes, which serve as an API for other mods.
CS HOME
A simple home system. /home opens a GUI showing all player homes.
RankedSMP-Better
Youtubers (SharpnessMc , Wemmbu , Flamefrags , etc) Inspired PaperMC plugin for Minecraft 1.21.x that adds a competitive ranking system with unique abilities, extra inventory, and more.
The Crafting Collective
an RPG magic and mechanical style modpack meant for exploration and player empowerment.
Prism Perms
Cross‑platform permissions plugin for Bukkit, BungeeCord, and Velocity. Lightweight YAML storage, simple commands, and rich stats tools (groups/users, ungrouped/missing/list, names cache) with pagination and safe output chunking.
Easy Bee
A completly new way to trasport bees with extra tweaks
ServUI
A user-interface based library useful for creating front-end UIs for existing game screens on both NeoForge and Fabric
Advanced API
AdvancedAPI provides very simple code, for example, ItemBuilder or SimpleInventory, which can be used to create things faster. ONLY FOR PLUGIN DEVELOPERS
OptiFoundry
Optimize chunks, entities, and ticks
Capix!
A small API mod that allows Mod Developers to add capes to their mods
Spoofer+
🎭 Mod to hide mods & spoof your F3 menu
Visual HUD
A clean, fully customizable client-side HUD overlay for Minecraft 1.21.11 Fabric — shows coordinates, FPS, biome, time, direction, light level, speed, day count, dimension, compass, and FPS sparkline with an in-game config screen.
The Flattening
Simple vanilla-client-friendly mod to add anvil-flattening recipes via datapack.
VRRW animation - OBJ ANIM
Exchange Items, blocks, Steves, entitys to Animated OBJ
F.Essentials
F.Essentials is a feature-rich mod for Fabric that brings essential server commands and utilities to Minecraft. Designed to make server management and player interaction easier.
Attack Range Attribute
A small API that adds an attack range entity attribute.
Classic Splashes
Relive the nostalgia! This pack restores every yellow splash text from the Legacy Console Edition, bringing that classic console charm to Java.
HotbarAPI Compatibility
Compatibility patches between HotbarAPI and other mods
Refined Enchanting
Level up your gear! Refined Enchanting adds RPG stats, tool badges, sleek tooltips, and a robust API for modders.
First Gate
It allow player to read the rules, get a starter kit, get protected and others that are set by the owner or admin.
tweak-api
A Minecraft fabric api that make more events and callbacks, and configure
Slashbridge
serverside utility mod aiming to add in minecraft commands that I think the base game lacks, bridging datapack and mod function.
Euclid's Elements
Library for Customizable Content Mods
Sound Manager
This is the mod for usually used for muting or changing the voice of the mobs,blocks or generall things like death, fall damage , hit etc. You can edit them customly see images for more info
Advanced Mining
A plugin that adds a powerful and customizable Mining System. Similar to the one on Hypixel Skyblock.
e418
[in development] A library mod providing support for data-driven gameplay events.
DonutSMP Media GUI
A simple /media like DonutSMP Gui
CustomGuiReworked
a simple plugin to create Custom GUI Inventory interfaces with saving data items system
Recipe Changer
This is a lightweight server-side mod that allows you to change, remove, or add recipes for vanilla and custom modded items.
Keyconomy
An economy datapack based around trial keys. It has shops included!
Easy Freezing
A mod that allows you to Freeze Time around you at will! Try with multiplayer and things get confusing fast!
VeilMineX
It helps by adding Anti cheat and Anti Xray to your server to prevent cheating and xraying, You need protocol lib to be added to your plugin folder too.
RiseTab
RiseTab is a Minecraft plugin that adds TPS, player ping, playtime, and online player count to the tab list. It also supports prefix and suffix customization for different roles.
Traveler's Journal
Part of the Traveler's Series; provide a player with a book upon joining, with its content dynamically managed and continuously updated by the admin from a markdown file.
Polydex2REI-Forked
Converts Polydex recipes to work with REI!
defCoreLib
shared core utils library for def9a2a4 plugins (better banners, vertical slabs, mechanisms, more to come)