Minecraft Java 1.21 Mods
Browse 126,357 free mods for Minecraft Java 1.21 — popular picks include SeriousRP, LUX Shader, More books(116000 Custom texture Bookshelves).
Step by step: How to install Minecraft Java mods & modpacks
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SeriousRP
Add some roleplay mechanics to your server !
LUX Shader
is a lightweight, performance-friendly, and visually stunning Iris/OptiFine shaderpack designed for Minecraft.
More books(116000 Custom texture Bookshelves)
116000 Custom texture Bookshelves
ItzGeorge’s PvP Essentials
ItzGeorge’s PvP Essentials is a lightweight modpack built for smooth, high-performance Minecraft PvP.
AdminOP
Enhanced operator system with admin levels, customization and special features
TU69 Tutorial World Panorama
Panorama of the TU69 Tutorial World
[机械动力-航空学汉化]create-aeronautics-zh_cn
为create-aeronautics添加了汉化翻译 ------------------------------------- Added Chinese translation for create-aeronautics
Pepsi's Redstone Table
Craft redstone components faster, cheaper, and smarter with a dedicated workstation that pulls from both your inventory and internal storage.
Performancez — Lag Reduction & Server Optimization
Performancez is a Spigot/Paper 1.16–1.21 plugin that reduces server lag by limiting entities, merging items, freezing empty worlds, monitoring TPS, and protecting against crash exploits, Built By 786kurulus.
Big Globe - Remove Vanilla Structures
Remove Vanilla Structures in Big Globe
Duck Core
Library for my mods.
AzDuels
A complete dueling system for Minecraft servers
Project Obscura
Start Your Ultimate Exploration into an Adventure-Packed Modpack | Epic Dimensions & Massive Dungeons | Challenging Bosses | Stable Long-Term Multiplayer | Cozy Building & some Create Automation
Unforgotten Memories
it just adds scary monsters that hunt you down at night
Thijzert's Exploration Pack
Explore new structures and new mobs in a vanilla way!
One Chunk Blocks
Turns generated chunks into single-block chunk mosaics while keeping Minecraft fully beatable.
OH NO ME HEART STOPPED
Mr. Krabs will violently panic every time you die. Isn't that lovely?
Lantern Optimization
Lantern — Простой и легкий пак оптимизации для игры на сервере или в одиночном мире. 1.21.4 - 1.21.8
Devil May Craft
This is a modification for the game minecraft, which adds things from the series of games from the studio Capcom - Devil May Cry. The modification is still in the alpha stage of development, so if you find bugs or suggest ideas, let me know.
RHLeafDecay
Say goodbye to floating leaves! Enhanced leaf decay for a smoother Minecraft experience. 🌿

King of Lizards (Komodo Dragons)
A new beloved creature to spice up your world!
Actions Revamped
One of the most incredible, lightweight, 100% Actions and Stuff-replicating modpack in Minecraft. Stunning visuals, new textures, and new mechanics! (Icon will be added soon)
T.O Magic 'n Extras 3D to 2D Weapons Retexture
Retextures weapons from the "T.O Magic 'n Extras" mod to have 2D textures in inventory, while keeping their in-hand visuals 3D.

Jukebox Mutes Music
When a music disc plays, mutes the game music. Fixes music overlap issue.
Secret Items Tab
Adds a new Creative Tab revealing items only obtainable using commands.
Choose Your UI - Hotbars
A fully modular Minecraft UI resource pack system - Choose Your UI: Your game, your style, your interface.
Pingu's Elytra Craft
Adds an elytra craft.
Cauthon Mob Spawn Disabling
a simple plugin that disables selected mobs from being spawned

Big Fungus
Grow thick fungus trees by planting fungi in a plus shape
Serene Seasons Gen Fix
Fixes server crashes when generating new chunks caused by serene seasons.
Nautilus & Spears | Mounts of Mayhem [Fixed Continuation]
Bug-fixed continuation of the discontinued Mounts of Mayhem mod.
SoftShade Shader
A stylized shaderpack with a soft artistic look, designed for players who care about smooth gameplay as much as visuals. Clean visuals, low performance impact, and comfortable to use for long sessions.
Better Crafts: Decraftable
Better Crafts: Decratable is a data pack that allows you to disassemble blocks (such as quartz blocks, etc.) [1.16.x - 26.2]
Materia 1
Materia overhauls Minecraft progression with station- and tool-gated crafting: knap stone, hew wood, fire kilns, forge on tiered anvils, manage heat and liquids, and build into textiles, dyes, logic, power components, and cannons.
Chunkis
Chunkis is a high-performance, sparse storage engine for Minecraft. It slashes world save sizes by only persisting player-made changes on top of chunk snapshots, using a custom binary format (CIS) designed for speed and efficiency.
Extra Pastel Blocks
Extra Pastel Blocks is a Fabric mod that adds 30 different pastel color blocks, each with matching stairs and slabs, for a total of 90 new building blocks.