Minecraft Java 1.21 Mods
Browse 12,329 free mods for Minecraft Java 1.21 — popular picks include ExplodingEntities, Yarndin Is Here, Impover Mod.
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ExplodingEntities
A mod which makes entites explode when damage is done.
Yarndin Is Here
A mod that adds a species of yarn creatures to Minecraft.
Impover Mod
Improve Mood is a mod that lets you manipulate the world. Toggle mobs on and off. Manage the world to the fullest!
NetheriteSilkSpawners
A Minecraft Paper 1.21.1 plugin that allows players to collect Spawners while preserving the original mob type.
ModMob
This is a mod to add lots of mobs.
Variance
This datapack adds new biome dependent varaints to cows, pigs and chickens along side their vanilla couterparts. It also adds a few nametag easter eggs
Monster Rework Resource Pack
Resource pack for Monster Rework datapack.
Creepers Spawn On You Every 10 Seconds
Causes creepers to spawn on all players every ten seconds
BlueArchive Types
a plugin brings the type table in Blue Archive into minecraft combat
Chaotic Cows
If you hit cows, strange things can happen.
BulsciCraft
Enjoy this brand new mod that adds New Dimensions, Mobs, Items, Blocks, Unusual things and even a bossfight...
mob balls
This mod adds balls that can catch mobs with different tiers. More tier = More better (I know how grammar works! It just rhymes better)
MagicBook
Discover a mysterious new ore that will allow you to create runes and craft a book that will absorb the inserted component.
CodellaStacker | [1.16-1.21] | MADE WITH CODELLA AI
MOB STACKER PLUGIN
Ghast Harness Customizations
Customize your ghast harnesses with billions of unique color combinations, just like dyed leather armor, and personalize them even further with armor trims for nearly endless cosmetic possibilities.
Yahooste!
Yahooste (Yahoo + Paste) — a simple mod to save and quickly paste text snippets into chat that are tedious to type out manually. sadly, its only on russian language.

system95.exe
new windows dimension and other
Magma Craft Remastered
A small mod adds: new biome, new ores, new structures, new boss, new tools, and more!
TalkCraft
The Blocks Have Had Enough of You, "GET OFF MY LAWN!!!"
Mutated
A mod that adds a total of 7 new mobs that are the results of 2 fused vanilla mobs
Villager rollback
A datapack that is able roll back villagers that recently died. All of the villagerdata is saved.
Starlight Pet Protection
A pet protection plugin that allows pets to respawn after death - vanilla consequences without permanent loss!
Optimaized by dkt4.7
Maximizing hardware. Minimizing lag. The ultimate performance-tuned experience for competitive play and high-end stability. 🚀
Level-Craft
an RPG style system, Exp, Levels, Custom Items, Mob levels, Crafting Requirements and skills.
Mob Nudge
This Mod adds a simple way to move mobs through the use of commands by pixels.
Enderite Update
This project add Enderite and Didier! I know that there is a lot of Enderite mod, but why not try mine?(If you found a bug, pls report to me in the comment).The added Items are in the description.
PositivelyPetrified [BNB Standalone #3]
Petrified Oak but there's more of it.
WorldsgenUtils
Util plugin for worldsgen Including Item Mob and timed spawners!
UltimateHelperPets | Interactive & Functional Pets (1.20 - 1.21+)
More than just a pet—your ultimate survival partner.

summoners
command only mobs are now not with this mod
Creaking (HARDMODE)
It Makes The Creaking Extremely Powerful (he also floats in there).
Bluetooth Plugin
Bluetooth Plugin Boosts mob attack range ♂️ for tougher, more intense battles⚔️
iDrop
Plugin with developed drop system from mobs and blocks.
Precast Structure
Add a mechanic to automate repetitive building projects.

randomitems-mod
Adds /randomitems, /randommobs, /randomweapon, /randomarmor, /randomtool and /randomquest commands that periodically give random items, spawn random mobs, swap your gear, or assign 5-minute random quests with a boss bar and personal sidebar.
Lafiński tuffiński (lafless)
Adds lafless the youtuber to the game!!!