Minecraft Java 1.21 Mods
Browse 22,279 free mods for Minecraft Java 1.21 — popular picks include TreexCastle, Cursed HorrorMeta, SlimeCrates.
Step by step: How to install Minecraft Java mods & modpacks
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TreexCastle
Durable blocks that drop loot. Gui support
Cursed HorrorMeta
Cursed HorrorMeta (Minecraft Plugin) is a horror-themed gameplay plugin that transforms a normal Minecraft server into a tense, immersive nightmare.
SlimeCrates
Create custom crates easily with this plugin.

Shield Sync
Shield Sync attempts to simulate how shields feel on lower ping to every player regardless of ping.
PearlCraft
Craftable Pearls!
OutRequestTeleport
✨ Teleport system RTP-TPA-SetHome-Warp | Cooldown, animations, particles, effects. Action bar, sounds, permission, limits, and more!
nominecarttnt
Blacklist/whitelist per world system that ban crystal anchors tnt minecart bed bombing .......
Thrown Knockback
Gives Snowballs, Eggs, and Ender Pearls the ability to knock players back when they hit them.
Ultimte Configurable Boats
A lightweight NeoForge mod to configure boat speed (BPS), acceleration curves, and jump height with ease.
True Proxy Send Command
A Paper/Velocity hybrid plugin that adds Velocity's /send command to server side so it can be used by datapacks and command blocks.
Worldshaper new vanilla
The mod adds new magic mechanics, changes the combat system, and will change the generation of the world in the future.
AreaReloader-FAWE
Create and restore areas at any time at the glance of a command or set them to automatically regenerate! Mirror plugin for AreaReloader.
Walls
A Simple and Lightweight plugin that allows creating invisible and impassable walls
More gunpowder with creepers
Increases the amount of gunpowder that drops from the creeper
Borer│鑽地器
Can be crafted into a Borer, which can instantly destroy any block. This provides a way to break bedrock without having to exploit a bug.│可以合成出鑽地器,它可以立即摧毀任何方塊。這提供了一種無需利用漏洞即可破壞基岩的方法。
OP Sprinting
When Sprinting, you get OP Loot!
Aquatic Creatures
Did you know we know most about the space than own ours oceans? I want to make you feel that with this mod
WorldColor
WorldColor - A lightweight Minecraft server plugin that adds a colorful world indicator via the %color% placeholder.
CoreBox
A basic PvP Mod that shows the nearest HitPoint in other players.
All Stones Can as Raw Material│所有石頭皆可作為原料
Any stone can be used to craft stone products.│任何石頭都可以用於合成石製品。
Stargate Reborn
All Stargate in Minecraft Vanilla ;)
Syncher
Syncher syncs player currency across servers instantly with MySQL, ensuring consistent balances and reliable performance.
Axe Damage Fix
Now the axe damage is balanced like it should be!
ElytraUtils
Client-Side mod that adds detailed Elytra utilities, such as optimal ascend/descend angle, estimated distance/flight time, and an optinal immersive flight dynamics HUD modeled after that of an aircraft. Extends CoordinatesDisplay, works when CD is hidden.
Mob Inspector
Adds Mob Inspector that allows you to look at any creature's inventory, hands and armor slots and change its content.
MCobblemonRaidMixin
Advanced Raid Dens Enhancement for Cobblemon | Precision IV control · Spawn blacklist · Weighted reward system · Multi-language
World Panorama
Load a real world instead of a static image for the panorama

NorthernCompassRevived
The official NorthernCompass hasn't received updates in 2 years. We are sustaining a revived version with new fixes here.

Totem of Unlosing Mod
Adds KeepInventory to the game without breaking the balance too much.

Combat-Hud Indicator
A lightweight multifunctional client-side mod that displays many HUDs necessary for both PVP and Survival gameplay.
DeathRecord
Records your death locations and lets you navigate back via waypoint pins, a world-space marker, and a HUD compass.
Cloak Of Invisibility
Craft a mystical cloak that grants the wearer complete invisibility. Perfect for stealth missions, pranks, or avoiding that one Creeper at your front door.
Magnified
This mod introduces highly customizable zoom functionality.
KnightTowns
A lightweight plugin for managing towns, claiming land, assigning ranks and protecting areas with XP and level integration.
Screenie
Simply supporting those wanting high resolution screenshots
pv-addon-vm
This is an alternative to an existing project for Simple Voice Chat but for PlasmoVoice and entirely server-side!