Minecraft Java 1.21 Mods
Browse 128,873 free mods for Minecraft Java 1.21 — popular picks include Penomior, Creeper Parasites, QuadHotbar (MultiHotbar).
Step by step: How to install Minecraft Java mods & modpacks
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Penomior
LeveL System and make your own build and fight with your friend!
Creeper Parasites
Mobs have a small chance to be infected by nasty little creeper parasites
QuadHotbar (MultiHotbar)
QuadHotbar adds up to four switchable hotbars for NeoForge 1.21.1 and Forge 1.20.1. It is a convenient MultiHotbar port designed for comfortable building and managing large item sets.
CarryOnPaper
A polished server-side Carry On plugin for Paper — carry configured blocks and mobs with safe inventories, sounds, languages, and full config control. 18:11
CC: Relative Routing
Call peripherals using relative coordinates instead of ids
Nuve's Woodcutter Recipe
Craft wooden stuff using Stonecutter
PayBot
Hệ Thống Tự Động Hóa Nạp Tiền Ngân Hàng (VietQR) & Thẻ Cào Cho Minecraft (Paper, Purpur, Folia, Fabric, Quilt, Forge, NeoForge)
DonutSMP Price Overlay
Client-side economy HUD for Donut SMP. Shows real-time inventory sell values, highlights least valuable items during raids, and displays container loot worth.
Create: Aerodynamics
Unleash the power in your world
Rymeyy's OneBlock Server Pack
Official Fabric modpack for Rymeyy's OneBlock server, featuring performance mods, shaders, minimap, and Twitch-style chat emotes.
Coordinate sender
Simple fabric mod that adds a feature to quickly paste your coordinates in chat alongside a customizable prompt
Building Gadgets BDCraft
BDCraft (originally by Sphax) patch specifically created for the Building Gadgets in 128x - 32x!
MC-26 GX
This datapack adds driveable 3D spaceship modeled in blender, inspired from F-Zero GX
Falcom's Tech & Magic
A modpack with technology and magic
Banana Totem
This resource pack turns you Totem of Undying a banana for all your potassium cravings.
MadCat's Hitboxes
Turn off the hitbox of every single entity in the game!
Farmers Respite
Farmers Respite is a small undemanding pack centered around Farming and Exploration!
3D Spawn Eggs
A Resource Pack that gives All Spawn Eggs a 3D Model.
Nice Wandering Trader Announcements
Sends a message to all players within reach when a Wandering Trader spawns.
Minecraft: Trailer Edition Port
Have you ever wanted to feel like a hero from a Minecraft trailer? Now you have this opportunity — and on the new version 1.21!
Tukaso Overlay
Resource pack for a comfortable game of pvp, but also for vanilla Minecraft
Minature Shaders
A shader that tries to recreate childhood nostalgia.
Punchable Friends
New visual for minecraft armor stands!!
Create More Fps
Create but with High FPS — All the power of Create, turbocharged. Packed with every major Create addon, stunning shaders, QoL mods, and performance boosters like Sodium, Lithium, GPU Booster, and Entity Culling. Build bigger, run smoother, and create witho
Wicked Witches SMP 2
Second edition of Wicked Witches SMP!🔮 Welcome, apprentice. Your magic awaits.
introverts island Server
welcome to introverts island. this pack is designed for my server. the pack includes mods like Create, dragon mounts remastered, and more. explore structures loot chests fight mobs and more.
RemoveSpeedDetection
Removed server player speed detection massage.
Knarfy
A mod that adds knarfy. Ideas were contributed by the knarfy discord
YeSMP
This is a kitchen sink pack with some customizations and quests.
Redstoner's Paradise
A modpack made for redstoners

Bountiful Example Pack
An example Data Pack for Bountiful for Modpack makers to use as a template.
UltimateTweak | Animated Tree Cutter, Vein Mine, Best Tool, Dynamic Light, 10 Tweaks in 1 | 1.21.3+
Biome Traveller - 10 tweaks in 1 plugin - Custom item/block support - Protection plugin support
Torrezx-Ominus tools
Ominus tools temathic replace diamond tools
Smoothish Wool
smooths up wool and thats it lol
Diverse Fishing
Encourages Fishing by adding Biome-Specific & Structure-Specific Fishing Loot, rewarding you more if you Fish in different Places!
Marcel's Green Diamonds
Changes all diamonds in game to a green hue, why not?