Minecraft Java 1.21 Mods
Browse 22,282 free mods for Minecraft Java 1.21 — popular picks include Сreate:Connected Vessel compat fix, Iustitia Anti-Cheat, Command Suite.
Step by step: How to install Minecraft Java mods & modpacks
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Сreate:Connected Vessel compat fix
Compatibility hotfix for a server crash caused by Create: Connected Fluid Vessels on Create contraptions hen Destroy included into modpack.
Iustitia Anti-Cheat
A free, open-source Fabric anti-cheat that watches other players from your client. A basic, advanced moderation tool.
Command Suite
Command Suite adds a collection of useful commands for survival, creative building, testing, and administration, including God Mode, flight, healing, night vision, and more.
Jenga Mod
A recreation of that one systemzee video where they have jenga with realistic physics.
xJobs
The best plugin for working on your server
FoDrops
Create FULLY Custom Drops for ANYTHING in 4 Clicks.
Victus: NeoForge Unofficial
An unofficial NeoForge 1.21.1 port of Victus - Custom Hearts by glisco, with no prerequisites required and several aspects rebalanced for a better experience.
Altitude Sickness│高山症
Mobs occasionally suffers from oxygen deprivation at high altitudes.│生物在高海拔地區偶爾會遭受缺氧的困擾。
Glass Drops Always
Recover your glass blocks and panes instantly. No Silk Touch required. Lightweight and server-friendly.
Invulnerable Items
Items & EXP survive fire and explosions
More Recipes: Color Candle
Dye Candle any color from any color.
OgiPlayerStats
All-rounder gui for displaying user statistics
JustPump
A simple pump module that enables the extraction and filling of fluids.
Powers via crystal
this mod allows you to gain special powers via a crystal
Advanced Resource Packs
A plugin that allows players on your server to be able to download texture packs configured with one command
NoEnderPearlVanish
Prevents thrown ender pearls from vanishing on death
Raph's Battle Royale mod
A mod that adds items for you to easily make your own Battle Royale maps with.
Nerflytra - Nerf elytra boosting
Disable or discourage using rockets while flying, performant and configurable.
FogCustomizer
Customize Every kind of Fog in the Game with Sliders.
Sloths Display Entity Editor
Create, modify, and delete Block and Item displays, even in survival!
MobBuckets
Clutching with fish and axolotls is boring, clutch with anything your heart desires!
Potion Notifier
Add Custom Potion Notifications, To know when you run out!

Craft Obsidian
Craft obsidian with buckets of lava and water
CraftGuard
A lightweight, highly configurable Minecraft plugin for managing restrictions for workstations on a per-world basis.
OPAC Commands
A recreation of the OPAC - Better Commands mod for modern fabric, this mod simplifies and improves the commands of the Open Parties and Claims mod
ExPlayerCompass
Track players with magical compass!
Flutter
Adds simple and easy blinking!
PolarSpleef
Spleef brought to Cobblemon with exciting features!
Persistent Moon Phases
Allows for a specific moon phase to be used instead of the full lunar cycle
CustomGenerator
CustomGenerator lets BentoBox island owners buy and activate custom resource generators
Types And Variants
A Mod that adds more variations to mobs
BombPlugin
This plugin add bomb in minecraft!

NoAutoPickup
Disables picking-up items on the ground automatically and decide when to.
LimeWhiteList
Simple whitelist plugin
Niby's Arsenal
Adds a variety of OP Sword, that should never be wielded by any man.
ThrowAll & MoveAll
A lightweight, ultra-fast, client-side Fabric mod that lets you quickly move or throw all matching item stacks with customizable shortcuts across multiple Minecraft versions.