Minecraft Java 1.21 Mods
Browse 127,596 free mods for Minecraft Java 1.21 — popular picks include AnimationManager, Prominent UI Addon (more mods support), (Cobblemon) Shinies Remixed.
Step by step: How to install Minecraft Java mods & modpacks
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AnimationManager
Player & MythicMobs Entity Animation Plugin
Prominent UI Addon (more mods support)
More supported mods for the Prominent UI resource pack
(Cobblemon) Shinies Remixed
Changes textures of Shiny Pokemon and nothing else
Old Emerald Block Remade
Changes the emerald block back to the old one, but keeps the new color palette.
Aria Math Hardstyle music disc
Add's a music disc with the song "Aria Math Hardstyle" made by the creator Mqx.
RefineryCore
A modern Paper plugin framework providing annotation-driven commands, GUIs, and configuration — built for the Refinery Team.
Bob's Datapack
This datapack is basically a few weird addons that I added to minecraft while I was sick and off my meds. It adds (semi) realistic injuries for players and mobs and a few other things.

Craft Team
Adds a team system inspired by Terraria's. Also lets you tame mobs and have them fight with you! Fork of Mine Team.
Unknown's Create Mod Pack
My create modpack that is simple and adds a lot of content to do with create.
Diego's 3d extras
this mod adds the rest of the 3d stuff on your hud
Totem of Elizabeth
Totem of Elizabeth Liones from The Seven Deadly Sins
Explode the Barrier
Expand world border by exploding it!
SpawnerSilk
Mine monster spawners safely with Silk Touch! Extremely lightweight and highly customizable.
ShortModes
This mod adds chat commands to quickly switch gamemodes.
Portable Structure Containers
Capture, carry, place, and retrieve compact structures.
Axolotl Mouths
This is a resourse pack that gives axolotls MOUTHS
WhereWasI
Never ask "where was I?" again. This client-side mod automatically journals your playthrough — builds, crafts, deaths — and greets you with a recap when you log back in. Works on any server, no server-side install.
All of PvP
All of PvP is a resource pack that improves many PvP-related textures, making them cleaner, clearer, and easier to use during combat while keeping the vanilla Minecraft style.
Discord Velocity
A plugin for Velocity that bridges the proxy with a Discord server
Profession Locking
Prevents villager re-rolling / cycling to get the best trades!
Minecraft village panorama
a panorama for minecraft. shader pack used: Miniature Shader by ukrech

Placeholder SMP
Modpack for the placeholder SMP :3
Angel's Stupid Critter Mod
adds an edible little goober :D
Boom Chickens
This mod adds explosive chickens to minecraft
CoolCrosshair
CoolCrosshair adds a fully customizable crosshair to Minecraft. Open the settings menu with the H key (English) to adjust its appearance. Make your HUD more personalized and comfortable!
I See Ores
A resource pack that makes finding ores in dark caves much easier.
Music Selections: Nether Update
Lena Raine's haunting soundtrack! From 1.16 the Nether Update! Re-added to the music selections base!

Happy Jr
Replaces the Totem of Undying with a cute 3D capybara called Happy Jr.

Zombie Syringe
a syringe that can transfer zombie (husk,drowned) blood to villagers
Omega Chat Games
Automated chat-based mini-games for your server.
The Hammer Mace
Add a hammer model for minecraft mace for 1.20+ versions!
Project Dynasty SMP
The designated modpack used for the Dynasty SMP
TFam's Backrooms Essentials
A Minecraft mod that adds several Backrooms blocks to use in your own worlds.
Levelplate
Adds plates above mobs indicating their level
Every Block Gear
this mod add gear for every blocks! tools and armor

Molotov
Adds a realistic Molotov cocktail to the game.