Minecraft Java 1.21 Mods
Browse 270 free mods for Minecraft Java 1.21 — popular picks include ItemDisplayPlugin, Multipack: Enhanced Vanilla, Bad Mod.
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ItemDisplayPlugin
This plugin allows the collection of items dropped within a 5-block radius in Minecraft, merging the items with the same type and displaying their quantity in the item’s custom name. Items that cannot be stacked, such as enchanted equipment (e.g., swords,
Multipack: Enhanced Vanilla
Enhanced the vanilla experience with a multitude of features which each improve the game in unique ways
Bad Mod
This Mod Gives You More Things To Play Around With Like The Metal Detector And Other Stuff
Mobo's Structures
Pirate Ships! Castles! Dungeons! Towers and More! If you're an explorer, this datapack is for YOU!
ImageCanvas
A server-side plugin for uploading images
Animorph | Server
Morph into a custom model, play emotes, and configure them to your liking.
Memeified
Plays meme sounds when you do things!

Azurite/Bluewood mods
此模组简称A/B ms|This module is referred to as A/B ms 此模组现已全部完成!(后续会根据反馈的问题进行整改) This mod is now complete! (Rectification will be made according to the feedback in the future)
Manalaser
A tech datapack that adds laser-powered machines
Image Map Plus
Get any image from the internet on a map.
Liquid Portals
The mod adds a new Portal liquid to Minecraft. Also bottles of portals, and splash portal potions. The mod also includes tons of configs and a new music disc. This was originally made for my personal modpack to replace immersive Portals dim stack.
Emage
High-performance image and GIF renderer for item frames.
Help Me Hardcore
Help Me Hardcore Adds All Kinds of Extra Challenges from Community Ideas to Full-Themed Updates for Your Hardcore Worlds or Even Hardcore SMP Servers!
Aetheric Roots
Grow bonsai trees from saplings unlocking a unique magical behavior from the Aether.
GHolo
Modern & Lightweight Hologram and Interaction Plugin
Players Sit
This plugin allows players to sit on anything
Random Junk
A mod filled to the brim with random meme features

Allay Companion
Replaces the totem of undying with an animated allay entity that moves around with you.
Floristry
A mod about bees and breeding, but not like that.
Custom Banners
Create and place custom Minecraft banners from your own PNG images using an in-game Banner Station.

PlayerSettingChanger
PlayerSettingChanger lets you customize how online players look, sound, and appear on your client with per-player nicknames, skin URL overrides, voice mutes, and a premium themed GUI.
AlwaysDaytime
Always make your worlds be at Daytime!
Grippers
A horror-comedy mod featuring a custom dimension, cryptic secrets, explore carefully, there's more going on than it seems.
Unified Wind
Unifies the wind behavior across several mods, and does nothing else! Highly configurable!
Dababy Mod 2
Explore an alien dream like world, encounter unique mobs, use new mechanics, and see Dababy's face on every texture
SilkySpawnersX
Lets players mine and collect mob spawners with Silk Touch pickaxes.
cherri's Minesweeper
Fully functional, customizable, multi-dimensional Minesweeper in Minecraft.
Sigillum: Magic Circles
Datapack that adds magic to your wonderful world
Frontiers (ALPHA)
A sort-of Vanilla+ mod that expands on and adds a little of everything!
Crystal Town Mod
A mod that adds a slightly elaborate universe! A couple of dimensions, lots of interesting mobs, progression, magic wands and toxic weapons!
Easy Bee
A completly new way to trasport bees with extra tweaks
Apparition
The art of concealment
MapsRender
Create custom in-game map art from any image URL, with multi-tile support and automatic saving. Easily configurable and fully translatable via lang.yml.
NamedChest
Hologram names for your chests using tags, anvils, and commands
Cubic Realism
CB is a mod made with Mcreator, having the goal of revamping minecrafts realisim and magic. From perma ban swords to steelmaking and even lead poisoning, this mods goal is to have it all! (Yes that includes bombs).

ZA - Better amethyst
This mod makes amethyst usefull.