Minecraft Java 1.21 Mods
Browse 12,329 free mods for Minecraft Java 1.21 — popular picks include alienation craftation, Milk Madness, TNT Tools Mod.
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alienation craftation
someone asked me to add this to modrinth so heres the modrinth port/edition of my chaotic and very confusing aliens mod!
Milk Madness
Ever wanted to do a milk bucket clutch? Well now you can! (Plus much much more)

TNT Tools Mod
A mod which adds TNT tools to Minecraft
Common-Freeze
Paper plugin to freeze mobs while retaining their perks!
Frog Corruption
makes minecraft really hard (might make it impossible)
CbeJl_3ByK
Easy mob-mute plugin for your server
Nautlius Tweaks
this datapack tweaks the Nautilus by making them more resistant to trident damage and removing the underwater mining speed penalty
Gateway Invasion!
This mod adds a collapsed dimension!
EvilSMP
The datapack that was used to run the server "EvilSMP season 2". Created fully by me and the TGM team.
Unique Happy Ghasts
¡Makes every Happy Ghast more unique!
SantumSpawn - MMORPG Invisible Mythicmobs around the Player
Spawn invisible Mythicmobs around the player via Packets | ClientSide like Wynncraft
Wither Debris
Adds a chance for Withers to drop 1 - 4 Ancient Debris when killed by a player (not compatible with any other datapack that rewrites the wither's loot table)
Muddles
An early version of a mod consisting of my mcreator experiments
Kai's Rats (Datapack)
Datapack + resourcepack that adds in rats... a bit scuffed
Too Many Noises/Mute Entity
Mute any vanilla mob with a single simple command.
World Evils
This project adds the world evils from terraria!
Beekeeper
A Mod that adds a beekeeper's toolkit - a protective outfit and a smoker - so you can work with hives and bees without getting swarmed.
NPCSpeak
AI-powered Minecraft NPCs that actually negotiate, persuade, interrogate, and quest, not just chat.
technis
TECHNIS is a voice-activated AI assistant for Minecraft 1.21.4 - like Jarvis. Speak to the mic, TECHNIS sees your inventory, health, mobs, and replies with speech. Animated orb HUD, proactive alerts, info panel, in-game config. Requires Groq API key.
музiка от BYzika
Dive into the unique fictional universe of myzika ot BYzika! This mod brings the entire atmosphere, characters, and elements of the original world straight into Minecraft.
NoreStages
Datapack-driven progression stages for increasing player and world difficulty with individual mob attribute altering
Living Blocks
This mod brings blocks to life!
7 Days To Blood Moon
A Blood Moon appears every seventh night.
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.
Swift Mounts
Enhanced equipment and tool for rideable mounts
The Tales of Alonia: A D&D Vault
This mod adds items from a D&D campaign that I was in, adding main character's weapons, NPCs, fun mechanics, and making you feel as overpowered as a level 20 Steve should feel, with a grind to get to that point. You can't be overpowered without trying.
java gotchi
It is a new mob. Something like a tamagotchi where you can interact and play with it. It has a fully working health,happiness,energy and hunger system. It is also associated with a university project and expanded into minecraft
Random Stuff (W.I.P)
this mod adds a lot of random stuff
NxControl
NxControl is an advanced staff plugin that lets OP players control players or mobs using simple keybinds, with GUI, bossbars, and freeze system built-in. It’s lightweight, powerful, and perfect for moderation, trolling, or cinematic gameplay.
PerfToggleMobSpawning — Per-player mob spawn toggle [1.21.x + Folia support]
Toggle mob spawning per player. Optional radius-based blocking and configurable spawn reasons.
Glowplug's Magical Mod
This is an RPG-styled mod, adding several classes and a tool progression
JobBlocker
JobBlocker gives you control over which workstations villagers are allowed to claim as job sites.
Sniffer Egg Fall Block
This Mod Allows you placing a Sniffer Egg On the Air can fall and damage any entities
Markolino-Chaos
a fun plugin for Paper that spawns "Markolino" a bot that wants to kill you!
Villager Repellent
A lightweight plugin that lets you repel villagers from using specific beds and workstations.
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.