Minecraft Java 1.21 Mods
Browse 126,370 free mods for Minecraft Java 1.21 — popular picks include Music Resource Pack Template, Mekanism: Water Generator Rebuild, Better Stars.
Step by step: How to install Minecraft Java mods & modpacks
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Music Resource Pack Template
Allows the average Joe to edit and modify Minecraft's music easily with tutorial and template.
Mekanism: Water Generator Rebuild
A mod that adds a water source with a maximum integer value (2.1 billion), in the style of the Mekanism mod.

Better Stars
Makes stars brighter and adds subtle flickering
Bloodmoon Rebrushed
Adds the Bloodmoon event from Terraria to Minecraft
TrueUUID
TrueUUID lets premium and offline-mode Minecraft players play together on the same server. Premium players keep their real Minecraft UUID and skin, while offline players can still join normally.
No Build Limit
Increased build height limit! Build from -64 to +2032
Dashpanels
A mod adding modular control panels for redstone control.
Tabulated Chests
A chest with expandable tabs & upgrades.
Tensura: Brewable Arcane Potions
Adds brewing recipes for the newly introduced arcane potions in Tensura: Reincarnated.
Create: Rock & Stone
Adds generation of underground resource deposits that can be mined with a customizable mining contraption. Inspired by Create: Molten Vents and Create Ore Excavation.
[Obsolete] Switchy Inventories
[Built in since 3.0] Allows players to have multiple swappable inventories and/or ender chests. An addon for Switchy.
Feral Wolves
Makes wolves become hostile to players in low light levels.
Copycat Sails and Compat
Introducing Copycat Sails with adjustable Lift and Thrust.
PhantomVisual
Best visual mod to increase your enjoyment of the game
CobbleSpawners
This Cobblemon addon mod allows map creators or admins to place custom Pokémon spawners, manage spawn settings via a GUI, and control Cobblemon spawning behavior, including Pokémon species, spawn chances, and custom stats.
Eclectic Sounds
Adds, replaces, and tweaks audio. Supports Vanilla unused sound events. Why mute game sounds, if you can just improve them?! Vast mod compatibility.
FA: Player Extension X Better Combat
FA: Player Extension Compat is a resource pack that fixes animation conflicts between Fresh Animations (FA: Player Extension) and the PlayerAnimator mod. Must be placed above Fresh Animations in the resource pack list.
NebulaFX
A particle mod powered by a high-performance GPU-instanced rendering engine and optimized NBL streaming for fluid, large-scale animations.
PMW Storms Shake Screen!
This mod will no longer be updated, my other mod (PMW Extra) already has a better version of this feature
looshy dark mode
a dark mode overlay for the looshy pack
Particles Remastered!
Remasters all of the available particles in minecraft that can be customized! Such as Sword swings, campfire smokes, Souls floating away and much more!
LiteEco - Simple Economy Plugin 1.21.x
EconomyPlugin, Economy, Money, LiteEco
Split Shulker Boxes
Dye the top and bottom half of shulker boxes independently.
Lampicus
Various awesome glowing blocks
MineTogether
A Minecraft mod that enhances community and server features, such as global chat, chunk pre-generation, auto server join from protocol uri (via FTBApp), friends lists, private chats and many more features linked to the MineTogether platform.
Mystical Delight
A compatibility addon between Mystical Agriculture and Farmers Delight.
Post'n'Stuff!
a performance shader focusing on ao, post, and bloom. (WIP)
Enhanced Book Writing
Enhance your book writing experience! Fully client-side mod.
ProximaTunnel
A plugin that allows you to play with friends on a local server without opening ports.
Create: Compat Core
The Core Mod with new Items and Recipes used for all Create: Compat Mods
EventsLib
An events library adding in missing event listeners
Ultimate Compression
A mod which compresses a lot of vanilla minecraft blocks!
SupplyLines
Supply Lines bridges Minecolonies with Create-based production, allowing colonies to fulfill demands from player-built logistics networks.
Fishing Crates
Adds 4 new crates obtained by fishing. Common, Rare, Epic and Legendary.
low fire 32x32
The Low Fire 32x32
Schizo Cave Dweller [Forge, Fabric, NeoForge]
Cave Dweller in the eyes of a schizophrenic, strange and scary...