Minecraft Java 1.21 Mods
Browse 21,905 free mods for Minecraft Java 1.21 — popular picks include MTSAntiCheat, UltraEffects, Lucidity.
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MTSAntiCheat
This anti-cheat ensures fair gameplay by verifying client mods and textures, blocking hacked clients and unauthorized tools, and giving server owners full visibility and control to keep their SMP secure and competitive.

UltraEffects
A very configurable mod that adds some effects from Ultrakill into Minecraft, such as the parry flash!
Lucidity
All-in-One Minecraft Client Visual Assistance Mod

All HUD Bars
Mod that displays your health, armor, food and other in bars instead of multiple icons
Happy Ghast but Fast (3x Speed)
This makes the happy ghast faster using Minecraft attributes
More Trim Materials
Datapack that adds several new material for armor customisation
Boats On Lilypads
A mod that makes boats travel through lily pads instead of crashing into them.
CommandBridge
Connect all your servers together and bridge commands across your entire Minecraft network.
ChestFill+
ChestSense is a client-side QOL mod that helps you manage storage more e. When you look at a chest, barrel, or shulker, it shows a quick fill bar so you know how full it is. Holding shift gives you a clean preview of all the items inside.
Farmer's Cutting Everything
Lets you cut most items into ingredients using cutting board mechanic.
Redstone Helper
Mod which must you to help with redstone!
Couplings Revamped
A mod for Minecraft that allows coupled usage of doors, fence gates, and trapdoors

Drifting waste
Add drifting waste to fishing loot table
No Vanilla Advancements
Disable all vanilla advancements.
m4lib
a basic libary for all m4ssivee's mods
Animated Frames
Display GIFs PNGs & JPG in Screen
EzShops
Advanced shop menus with smart pricing, sign trading, and API integrations
Announcement
Simple announcement plugin.
Health Indications
See Player and Mob Health!
No Netherite Upgrades
Removes the need for the new Netherite Upgrades/Templates
TFMG: Fix engine controller
Adds gearshift and clutch functions for the TFMG engine controller, and setting item
Archaeological_Research:Exploration
Archaeological research is an adventure mod that studies civilization and nature.
The Fog Origin
This datapack adds a new origin to the Origins mod, The Fog. Using this origin, you can fly through the sky and swim through the sea as a ball of gas, or temporarily solidify to hang out with friends!
Moar Bosses
Moar Bosses adds 7 types of randomly spawning bosses into your Minecraft world. Each boss has 3-5 unique and crazy magical attacks, and drop cores that can be used to craft magic wands. The bosses have custom textures using Optifine or Reselect or CET.
Fallen From Heaven
A Minecraft Datapack: When you fall out of the world, you end up in the dimension beneath
Villager Name Is Profession
VNIM is a small mod that sets Villager names to its profession
Mafish-Crossbow(马夫鱼的弩)
The original Crossbow is enhanced to shoot all items. There is a nesting system, a correction system. Custom edits can be made to the projectiles. 原版十字弩增强,可以射出所有物品。有嵌套系统,修正系统。可以对射出的投射物进行自定义编辑。
Technnare's Simple Spears
This datapack / fabric mod adds a simpler version of the spear to earlier versions of the game. There are a lot of other spear mods out there, but if you're just looking for some simple, balanced tiered weapons, this is the one for you.
Eva's Scroll Tweaks
Keybindable scrolling, keybinds to mimic scrolling, and horizontal scrolling compatibility!
GetDown
Press Button. Get Down. (crawl)
OnePlayerSleepX
Automatically skips night if one-player sleeps.
Crafting QOL
Crafting QOL is a quality-of-life datapack that adds crafting recipes that make crafting a bit less annoying. Because it certainly is sometimes.
Trinkets for Friends and Family
A mod that adds a variety of simple trinkets to spice up your game.

🐟Friendly AxolotlS🐟
Axolotls wont kill your fishes anymore, they even have a new diet...
Networks
Redstone-Free Automatic Storage Systems, Vanilla-integrated
Aquifer
A simple Minecraft server-side Fabric mod to allow blocks to be hydrated by water blocks below them.