Minecraft Java 1.21 Mods
Browse 129,040 free mods for Minecraft Java 1.21 — popular picks include Death Laugh, Red Cow, The Divine Engine.
Step by step: How to install Minecraft Java mods & modpacks
Updated daily
Death Laugh
Plays a laugh sound when someone dies.
Red Cow
the ability to craft the energy drink, Red Cow, which gives you a massive boost, but has a chance of spontaneous death via heart attack.
The Divine Engine
The mod adds Industrialization, a couple of new ores, machines, structures, and some other things (The mod was made on MCreator by a newbie)
MustChill
Optimizations, smooth-animations and enhanced visual over vanilla.

Tatos Forever
This project is a modpack designed for a group of friends that go by the 'Tatos'. This will be the pack to join a server hosting our forever world which will be updated with a core group of mods we like to play with.
GreenCube ModPack
RU: Мод пак оптимизации для сервера GreenCube. EN: The optimization pack mod for the GreenCube server.
Beautiful Biomes
Beautiful Biomes is a DataPack that adds unique biomes to your Minecraft world.
The SSRM Create Modpack
The SSRM Modpack but with Create
Sniffer's Life
New exotic and wild plants can now be found by the Sniffer. Discover each one and decorate your world
Dual Blades
This mods add new weapon into the game called "Dual Blades" What does have block and really fast attack speed
Energy Evolution
an energy evolution tech tree mod
世界存档优化器(自动异步保存)
世界存档优化器,可以自动保存您的服务器世界,采用异步保存。World Archive Optimizer, can automatically save your server world using asynchronous saving. Bukkit 1.21
ShareCore
Shared Hardcore mechanics/hearts for Paper servers — damage, hunger, XP, potions, drowning, and death are synced between players.
NetworkNick [1.21.x]
Lightweight nickname pluggin for networks using REDIS. /nick & /hide
CasleRush
CastleRush, inspired by the German Youtubers "Rewinside" and "Ungespielt". A Paper Plugin that you can install to play an optimized version of the Format. Build your Castles with how many friends you want and race against them at the end.
BorderExpander
A plugin that expands your world border automatically every day.
dog.ogg
Replaces the "cat" music disc with "dog".

WTM Maces - Books to Maces
Ever hated that the maces in your inventory are just regular old books?
Ruby Mallet
Replaces the Heavy Core and the Mace with the Ruby and Ruby Mallet!
Official Elderheim Pack
A lightweight client-side pack for performance and quality-of-life improvements, perfect for Elderheim or general play.
No More Enchanting Tables
This datapack disables crafting recipe of enchanting table
No Crossbows
This mod removes every crossbow from Minecraft, so you can’t craft, find, or use them at all. You lose a major ranged weapon, making combat way more up-close and risky.
Ligerium
Lightweight pack with top optimization mods for smoother and faster Minecraft. Boost FPS and reduce lag with a clean, performance-focused mod selection. Pure performance mods to enhance Minecraft without changing vanilla gameplay.
Ores Refined
Adds New Weapons and New Armour Refines Useless Ores To make them Useful
Fracture SMP Modpack
Used in the Fracture SMP for world-gen, optimization, and proximity chat.
TiBaff's Modpack
Оптимизированная сборка с нужными модами на Minecraft, которая заработает даже на тапке. / An optimized build with essential Minecraft mods that will run even on a low-end computer.
Vegon!
New plant-based and vegan food for Minecraft. BETA 0.0.0.2
FireChat
FireChat is a universal plugin for setting up a chat manager on Minecraft servers.
LuminolOptimizations
Supposed to be a performance and memory optimization plugin for my Minecraft server (LUMINOL)

CutieDrops
Transform mobs into cute babies and get magical loot drops!
FeatherfallBank
Vault economy for Paper 1.21.x — Shillings currency with Pouch wallet, Treasury bank, safe-zone support, and polished GUIs.
Nusiam
Nusiam is a powerful and mythical ore you can find in your world which is more powerful than netherite

project: SE (Fabric)
adds new biome with a new portal made with 14x gold blocks with new ore and food with blocks and structures. made with: Mcreator Generator fabric 1.21.8
Better Saddle
This resource pack makes all the saddles look like the horse saddle. it gets rid of that orange color and gives it a nice brown color.
️ TG-AntiBot | AntiBot, AntiVPN, Firewall & Alerts
"Defend Your Server — Stop Bots Before They Join!"
Configurable Squid Glow
Makes the light emission produced by glow squids configurable via commands. By default, it completely disables glowing.