Neoforge Mods for Minecraft 1.21
Browse 581 free Neoforge mods for Minecraft 1.21 — popular picks include Just Annoying, Health Extended, sanwichstats.
Updated daily
Just Annoying
A mod made to make Minecraft just a little bit annoying to give yourself more of a challenge.
Health Extended
Extends the game's health mechanics with locational damage and persistent medical statuses, integrated right into your inventory screen.
sanwichstats
Craft consumables that allow you to change your stats & gain interesting abilities (for a price).
Hotbar Only
Drops your items on the ground.
RandomMobBoost
Give a Chance Reinforcement Every Mob.
Cold as Ice
Un-meltable ice & snow! Very configurable
CityChan's RNGdle
CityChan's RNGdle rolls your fate once per Minecraft day, applying a set of potion effects that last the full day and cannot be removed. Similar to RNGdle.com.
Stop Fisting Trees
A Minecraft mod that prevents players from breaking logs with their bare hands

Lossy Chat
Add packet loss to your chat messages
Too many fluids
I added too many fluids to minecraft
The Fixed Script
Here I amn't.
slip and slide
adds slipery, jumpy, speedy, slow, AND STICKY blocks. MADE IN MCREATOR
Minecraft: Dark and Stark
A vanilla-style mod that makes Minecraft fell more alive, yet dead at the same time.

Endinator
Adds a tool called the endinator that when used teleports you to the end
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.
Constantly on Fire
You are constantly on fire.
Trip On String
Gives a chance of tripping when stepping onto a tripwire block.

Flaming Snowballs
Makes snowballs turn into small fireballs when on fire. Works with flame enchantment.
Someone's There
Occasional footsteps from somewhere nearby that shouldn't be there — always matching the ground you're actually standing on.
Green Elephant Cave Additions
Adds Green Elephant sounds to caves
Chaos X
A mod bringing 100+ random events to Minecraft. Every 60s, a new chaos affects all players at once. Features 4 languages, rare Omega Chaos, and custom timers for an unpredictable, epic survival challenge!
Temporally Controlled
Time lies in the palm of your hand
Evil Experience
Experience comes at a cost.
how low can you go
Rewards you for going deeper in the world with increase spawn rate of ore except diamonds

Re:zer0
Die, return, try again. When cursed by the Witch of Envy, death becomes a checkpoint that rewinds your body, inventory, and the world itself.
Doom Music Disc
This mod adds a music disc with the classic Doom Eternal song "The Only Thing They Fear Is You"
Glintless Books
Remove the enchantment glint from written books
OSU Touch Grass
Actual osu! lazer running inside the CoreCLR embedded in the Minecraft JVM, sharing a GL texture with it. With multiplayer
Hotter Mania
Mod updates savannas, deserts and badlands
Sweet Apocalypse Biome
Dive into a world transformed by confectionery chaos with the Sweet Apocalypse Biome mod!

Death Time Ban
A Datapack that lets you ban players for a customizable period of time.
Hacker Villager
Place a command block next to an unemployed villager and the villager will now offer you unobtainable items!

BIG Challenges
BIGChallenges: The Ultimate Survival Test 💀
GlyphVM
A minecraft mod similar to hex casting and Trickster . Magic programming with elements of engineer programming and a stack. (In development)
Breathtaking Aconitum
This mod adds aconite and its unique mechanics, food, and toxins