Neoforge Mods for Minecraft 1.21
Browse 941 free Neoforge mods for Minecraft 1.21 — popular picks include FogRule, Public Safety: Fear & Contracts, triangle.jar.
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FogRule
Adds dense fog to the game where monsters spawn. Building clears fog. Intended for long-term worlds to motivate building;)
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.
triangle.jar
Adds a terrifying Triangle creature with custom AI and jump-scare mechanics.
Healing Mod: Rebooted
Healing Mod: Rebooted is a complete reimagining of the original Healing Mod v1.3.0, rebuilt from the ground up for Minecraft 1.21
28 Blocks Later
This mod adds the rage virus from 28 Days later and it's sequals, 28 Weeks Later and 28 Years later.
HoneycombTools
A bulk-breaking tool mod. Wrap any vanilla tool in honeycomb on a crafting table to get tools that break adjacent ores/dirt/logs in one swing. 4 tiers × 6 materials × 3 kinds = 72 tools.
Simple Raider Guns
This mod adds the items and weapons from a famous videogame called Arc Raiders.
Pet Whistles
A simple mod that lets your pets attack the entity you are looking at with a keybind!
Mob Rockets
Send hostile Overworld mobs on an explosive one-way firework rocket ride! For hand-held, crossbow, and elytra use.
Nether's Paradise (Hell's Paradise)
Adds Biome, Powers, Mobs, Weapons ect... from Hell's Paradise !

Maim
A brutal enchantment that sacrifices attack speed for devastating critical damage and crippling slowness.
The Corrupted Past
He destroyed it all. He killed us all. He did this to us.

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.
disguise-mod
Disguise as mobs, blocks or online players.
Grimoire
There are brand new mobs such as the dryad, siren and doll. while also introducing new recipes and achievements.
Skeleton Bow Chance
SkeletonBowChance is a simple mod that adds a configurable chance for skeletons to spawn with bows
Timothaty's Trinkets
Adds brand-new trinkets to wear and unique mechanics to discover.
Chaosdrachen
Adds characters from the Chaosdragons.
Hired Workers
An easy way to contract working villagers.
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.
Qa Zombie Enhance
A mod that simply enhances vanilla zombies.
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.
Wither Skull Dupe
Wither skulls can be duped just like how armor trims can!
Black sun
The sun has turned into a black hole, so be careful when moving around the world and keep an eye on your pets.
RPG Lore
A data-driven lore book mod for Minecraft Forge 1.20.1. Define custom books via simple JSON files and have them drop from mobs based on configurable conditions.
Mob Mementos
Wearable accessories against annoying mob mechanics
Behind You!
Players now get alerted when monsters are behind them!
Blue Razz's Wanted Features
Adds the Most Requested Features to Minecraft!
No Mobs Thank You
Prevents unwanted mobs from spawning via JSON presets and override lists.
The Fixed Script
Here I amn't.
Mega Showdown Item Pack LITE
Adds extra recipes to Cobblemon: Mega Showdown
EG Shiny Mobs
Shiny mobs adds a mob spawning system. Normal and Hard Shiny mobs with on/off command toggles. Shiny mobs have custom loot, good gear where applicable, and buffed stats.
Fazbear Rising
Brings the world of FNAF to minecraft in it's style!
Conquest Online
The "Conquest Online" Mod is part of the "Soncresity: Conquest Online" Modpack and also part of the Soncresity Universe.
Shedding Bones
Animals occasionally drop their bones on death
Copper warrior
This mod gives you the power to raise a faithful army of your own.