Neoforge Mods for Minecraft 1.21
Browse 958 free Neoforge mods for Minecraft 1.21 — popular picks include Public Safety: Fear & Contracts, Butcher's Deerhunting (Yi Xi), Nether's Paradise (Hell's Paradise).
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Public Safety: Fear & Contracts
Join Public Safety. Hunt devils born from fear. Make contracts that hurt. Become something worse than human, or die as one.

Butcher's Deerhunting (Yi Xi)
Adds a minor, funny, slightly terrifying stalker to your worlds, along with cool weapons, tools, items, and a new material system to make them.
Nether's Paradise (Hell's Paradise)
Adds Biome, Powers, Mobs, Weapons ect... from Hell's Paradise !
Lenient Spawns
Allows mobs to spawn on slabs and other non-full blocks as long as there is a full block below it
sharky's random ideas
my most random, wierdest and funny ideas
To Adventure
Explore new custom biomes, upgrade your skills, and battle unique monsters in your journey — your adventure begins here!
Slimes Everywhere
Allows Slimes to spawn at night in any biome
Simple Raider Guns
This mod adds the items and weapons from a famous videogame called Arc Raiders.
StoneBlade
StoneBlade is a small, focused gameplay tweak that finally gives the stonecutter the respect it deserves. Instead of building elaborate lava blades or awkward kill chambers, you can simply let adult mobs walk over your workshop tools.
Armor Management
Gear up and pick-pocket entities using Minecraft's built-in armor system.
Stellarity_x_True_Ending_patch
Compatibility layer for seamless integration between Stellarity and True Ending datapacks.

Slime Tweaker
Small mod that adds a gamerule and config to change the size of spawned slimes.
RandomMobBoost
Give a Chance Reinforcement Every Mob.
disguise-mod
Disguise as mobs, blocks or online players.
Zombie Expansion
A mod that adds various types of zombies, blocks, items, dimensions, mechanics and more
Tom's Livestock Overhaul
Sheep, Cows, Pigs, Chickens, and Wolves now inherit real genetic coat traits through breeding, spawn according to the climate they live in, and react like actual animals — panicking together when attacked
Resin Gun
A weapon to catch and transfer Mobs with fancy animations
Emeralds Galore
Emerald Ores and Zombie Villagers drop more Emeralds
Qa Zombie Enhance
A mod that simply enhances vanilla zombies.
Skeleton Bow Chance
SkeletonBowChance is a simple mod that adds a configurable chance for skeletons to spawn with bows
Discs and Stuff
Add discs and other stuff from the Like a Dragon series and some other series.

Maim
A brutal enchantment that sacrifices attack speed for devastating critical damage and crippling slowness.
Cats Love Tropical Fish too
Cats and Ocelots now can eat Tropical Fish
The Fixed Script
Here I amn't.
Mob Rockets
Send hostile Overworld mobs on an explosive one-way firework rocket ride! For hand-held, crossbow, and elytra use.
Chaosdrachen
Adds characters from the Chaosdragons.
Minecraft: Dark and Stark
A vanilla-style mod that makes Minecraft fell more alive, yet dead at the same time.
Ready Crossbow
Make the piglins and pillagers attack you directly. Who goes around with an unloaded crossbow? Any mob that uses a crossbow will just shoot you.
Pet Whistles
A simple mod that lets your pets attack the entity you are looking at with a keybind!
28 Blocks Later
This mod adds the rage virus from 28 Days later and it's sequals, 28 Weeks Later and 28 Years later.
Garfeldi [Cobblemon]
Back in 2024, I made an April Fools' addon for Cobblemon just called "Garfeldi", ironically posted to the Cobblemon server on April 2nd. I found the files, like, 10 minutes ago, made minimal changes, and decided to post it to Modrinth.
The Corrupted Past
He destroyed it all. He killed us all. He did this to us.
Godmode- wither rework
This mod entirely reworks the wither boss in minecraft, with custom loot, moveset, etc
Timothaty's Trinkets
Adds brand-new trinkets to wear and unique mechanics to discover.
Summoning Eggs being Created
Adds balanced crafting recipes for spawn eggs. Each egg requires a Name Tag, a Soul Stone, and mob-specific materials. 11 craftable mobs: Cow, Pig, Sheep, Chicken, Zombie, Skeleton, Spider, Creeper, Villager, Wolf, Horse.
Copper warrior
This mod gives you the power to raise a faithful army of your own.