Neoforge Mods for Minecraft 1.21
Browse 4,891 free Neoforge mods for Minecraft 1.21 — popular picks include Oldcraft, Spooki's Unique Mobs, Cobblemon - Let Me Spawn.
Updated daily
Oldcraft
This mod adds removed features and old features into a later version of Minecraft!
Spooki's Unique Mobs
Integrations of 46 variant versions of classic minecraft monsters. New zombies, skeletons, spiders, oh my!
Cobblemon - Let Me Spawn
A Cobblemon side-mod that allows you to configure conditions (ultra-rare Pokémon by default) under which Pokémon can bypass the per-chunk Pokémon limit and spawn regardless
Goety Ominous
This Goety addon adds more servants and more staff to play.
Spruce Willis the Xmas Tree
Bruce has evolved into Spruce Willis the Christmas Tree!
Journey Into The Light
Journey Into The Light (or "Journey" for short), formally known as Essence of the Gods, is a large exploration mod that not only expands the vanilla content added - but also adds 8 new dimensions, over one hundred mobs, strong weapons and armor, and more

Villa la Revolution
A simple little overhaul mod for villagers and illagers, adding the things that Mojang never went back to improve.
Advancement-Based Spawning
Control mob spawning easily via Advancements!
Drowned & Dried [horse variant]
6 new undead horses, and even more !
Bee in a Jar - Reborn
It's just simply a cute Bee in A Jar!
BloodLife
Adds new dimension, mobs, ore, resources and more!
Nexus Infection
Makes your world significantly more dangerous with a vile infection, infested structures, and mobs.
Scary animals
This mod adds new mobs that are vengeful spirits of animals that have been killed too many times, The mod adds ores of these animals as well as a biome where they will no longer appear often.
Legends Features
This mod adds the Badger from Legends

Creature Feature
Features 23 unique Hostile Creatures in various parts of the game
SpawnGuard
Mod that protects players from mob attacks for a set duration after spawning, ensuring a safe start in any world. Ideal for survival or challenge-based packs where early-game defense is crucial.
Tamable Fairy
An Addition mod for Touhou Little Maid,allow you to tame the Maid Fairys
Skeleton Tactics
Allows skeletons to switch between melee and ranged weapons
Cod Mod
Cod Mod adds some incredibly random things to the game, Mostly intended for use on The Broken Script SMP server.
Boykisser
A whimsical little mod that brings the internet famous Boykisser meme into Minecraft! This mod adds a new neutral mob the Boykisser a fluffy, mischievous creature ready to roam your world, annoy you just a little, and maybe even become your friend.
Kindred
A pet bonding and summoning mod. Call your pets or mounts from anywhere and dismiss them to keep them safe. A spiritual successor to Callable Horses.
Red Forest
Boss fights, quests, tasks, tools, and guns. Biomes and dimensions with 13+ mobs and 15+ structures and many more.
My girlfriend Laura | Laura Compagne
Laura is a mysterious companion who follows you, reacts to your actions, and stores your items
MMT's Weapons and tools
WEAPONS AND TOOLS WAIT FOR YOU!
Peaceful Mobs Unless Povoked
Hostile mobs ignore players unless attacked — make survival calmer without removing danger.
Azukaar's Fair Difficulty Overhaul
Per player difficulty, new expert+ difficulty, interesting mobs and mechanics
One Hit
Allows creative players to kill mobs with one hit.
Clay Soldier Remake
Clay Soldiers Remake is a data driven remake of the classic Clay Soldiers mod.
Verdance
An Overworld expansion that adds new biomes, blocks and quality of life.
Happy Ghast
A simple [backport] mod recreating the happy ghast showcased for the 2025 summer drop during minecraft live
CreatureCorner
Freaks and Fauna brought to minecraft!
Spiders Shoot Webs
Spiders shoot webs to trap their target
Create Aeronautics Discovery
An extension for the Minecraft Create Aeronautics to add generated structures to the world.
Rats Unofficial (Fixed)
A Port/Fix of Rats Mod by AlexModGuy
Advanced Golems
Spawn small golems that help defend your base
The Block of Angel
An exploration-focused mod that rewards curiosity and reduces repetitive grind — while keeping the core survival balance intact. Perfect for players who want each discovery to matter. Start with almost nothing — earn every shortcut.