Minecraft Java 1.21 Mods
Browse 1,416 free mods for Minecraft Java 1.21 — popular picks include summoners, Creaking (HARDMODE), That Bird That I Hate.
Updated daily

summoners
command only mobs are now not with this mod
Creaking (HARDMODE)
It Makes The Creaking Extremely Powerful (he also floats in there).
That Bird That I Hate
Makes parrots randomly repeat what you said in a funny way!
Mutated
A mod that adds a total of 7 new mobs that are the results of 2 fused vanilla mobs
MonsterScaler
MonsterScaler adds dynamic difficulty to your server! Monsters level up based on time/distance, gaining boosted stats, enchanted gear, unique debuffs, and triggering server-wide events like Blood Moons and Invasions.
SyEnhancedMonster
A Paper/Purpur plugin for enhancing monster difficulty on Minecraft 1.21.x servers.
Don't Let Go
a pretty slowburn horror mod i made in less then three hours for a personal challenge.
Lafiński tuffiński (lafless)
Adds lafless the youtuber to the game!!!
NaturalMobs
deletes monsters and makes mobs more natural
Milk Madness
Ever wanted to do a milk bucket clutch? Well now you can! (Plus much much more)
Frog Corruption
makes minecraft really hard (might make it impossible)
TESTIFICATE Villagers
Brings back Minecraft Old Beta's TESTIFICATE Villagers, recreated by DandiMC.
Random Stuff (W.I.P)
this mod adds a lot of random stuff
EvilSMP
The datapack that was used to run the server "EvilSMP season 2". Created fully by me and the TGM team.
True Man's World
This data pack is designed to make your survival more difficult without adding new mobs, using hardcore or reducing health to zero.
Computer Guy's Mod
Computers, Rats, Mice and more!
Living Blocks
This mod brings blocks to life!
simulator infection epidemic crisis
apocalyptic zombie infection simulator that transforms servers into a pandemic survival experience. Features progressive infection spread, contaminated players, quarantined villages, multiple zombie variants, vaccine crafting, and crisis events.
Markolino-Chaos
a fun plugin for Paper that spawns "Markolino" a bot that wants to kill you!

SpyGlassMeData
Datapack that is used by the SpyGlassMe mod.
Kill or die
A recreation of the datapack used in NewKiddo’s “Kill or die” series

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.
Cobblemon: Growing Friends
Unofficial Cobblemon add on mod that lets you plant certain Pokémon as crops
SuperTex
This adds new dimensions to the game along with other cool and unique items
The Killer Cows
This mod is created by @TheEpitex youtube channel. Cows are more dangerous.
Overlord_guardian
want more difficulty? more mobs? this datapack has it all plus a designated guardian that can be every mob!
BoomPhantoms
Just a phantom… until it explodes 💥
Creepy Colorful
Creepers are now a colorful bunch thanks to Creepy Colorful!
KillingMoneyFine
Plugin for fines for killing mobs
Floreláis
Created in 1 week for my high school art class. It is a very basic mod adding 6 flowers and a boss. Similar feel as old 1.7.10 mods.
Chariz's Mayhem
A Minecraft Mod That Aims To Add Fun Things Into Minecraft, Such As New Mobs, Bosses, Weapons, Tools, Armor etc. Created By The Maniac Himself, DarkChariz
Blub Overlay
Replaces the pig with a strange, unreleased mob called Blub

The Copper Joke
This Datapack makes silly changes to the new Copper Age Minecraft update.
Hamdi Bozbag Mod
A mod that adds Hamdi Bozbag Elements to your game!
Alone - Disabling mob generation
By enabling this datapack when creating the world, you will no longer encounter entities that were invoked when generating chunks. They can still be summoned by commands, summoning eggs or spawners, skulk screamers and some other ways.
SeaAbilities
SeaAbilities Is a plugin for the ones that want sea creatures and sea abilities on their server. Its really fun and its custom coded.