Neoforge Mods for Minecraft Java
Browse 1,380 free Neoforge mods for Minecraft Java — popular picks include Error Version, Syringe Mod, Relix.
Step by step: How to install Minecraft Java mods & modpacks
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Error Version
Two Types Of Dimensions... What?
Syringe Mod
A Syringe Mod add syringe, ohhhh mob! What if...
Relix
Making Minecraft's forgotten structures worth exploring again.
Bonehead Aim
Bonehead aim adds a configurable accuracy level for skeletons.
Zorana's Spawner Mod
A simple mod that adds crafting recipes for the Mob Spawner and some Spawn Eggs.
MathMaster
A math-powered adventure mod featuring interactive quizzes, intellect progression, axiom abilities, digital corruption, and mysterious numerical creatures.
Morsels & More
What if more mobs had drops to give? Or atleast a Morsel..
villager plus
This project adds new professions to the residents (14 pieces) to such items as: chest, beehive, stove, enchantment table, target, music block, turntable,caster,chalker,bookshelf, patterned base, bee nest, anvil and workbench.

Center of the World
Makes all mobs know your location at all times
Sigma Mod
This mod adds a ton of new advancements, blocks, and items, on top of 2 new mobs, a ton of new potion effects and mechanics, a new biome, 3 new dimensions, and a ton of new music discs!
Shriek Control
A Minecraft mod that gives players full control over which mobs spawn from a Sculk Shrieker. Customize encounters, fine-tune the danger lurking in the Deep Dark.
TheHandOKill
Small mod adds the iconic "space erasure" sound that plays every time you kill a mob with a single hit
1.Y - The Whole New World Update
My Minecraft mod taking a stab at going back to the game's roots, while breathing new life into neglected aspects.

Villager Brain Configuration Revived
A highly optimized server-sided mod that allows full configuration of villager pathfinding malus (updated to 26.2)
Fossilised Mobs
Fossils of every mob can be discovered throughout the Minecraft world, hidden across the Overworld, Nether, and End.
BackguardAegis
Overhauls shield combat by adding a 360° omnidirectional "Ultra Shield" mechanic with dynamic shockwaves, aggressive projectile deflection, and custom enchantments.
NaturalMobs
deletes monsters and makes mobs more natural

The World Of Bob
A silly mod themed around a new mod named bob, that adds bob versions of Minecraft mobs and even a bob dimension!
Chariz's Mayhem
A Minecraft Mod That Aims To Add Fun Things Into Minecraft, Such As New Mobs, Bosses, Weapons, Tools, Armor etc. Created By The Maniac Himself, DarkChariz
Cats but better
This mod adds various cat-based items to the game such as catmint, and cat based weapons, and a new cat mob!
Gateway Invasion!
This mod adds a collapsed dimension!
VuBui's Horse
Horses that spit fireballs. They defend themselves, obey your command when tamed, and add chaotic fun without complexity.

15w14a Backport
15w14a Backport brings mobs, items, effects, and mechanics from Minecraft Java Edition snapshot 15w14a into Minecraft 1.21.1.
The Voidland
This mod ads a completely new biome: The Voidland, some new gear (armor still not included(will be added in future)) and new mobs!
Buddy Beast
Find and tame your own loyal companion creature that remembers you across sessions. Toggle between following you everywhere or guarding a spot, with pathfinding, swimming, and a visible health bar — its bond persists through reloads and server restarts.
pet-evolution
A Pokémon-style capture, training, and battling system. Catch wild creatures, raise them through 10 stages of evolution, breed for rarer offspring, and battle other players' pets — all with persistent stats and rarity tiers that survive logout.
NoreStages
Datapack-driven progression stages for increasing player and world difficulty with individual mob attribute altering
bubblegum world
Adds a sweet dimension with lots of food, rubies, and a custom portal built from ruby blocks in a new biome!
Blush & Bovine
Pink Apples, Pink Cows and Pink Flowers. This mod adds a touch of pink to your world
Breeder's Ledger
Animal ownership, breeding, and herd management made simple!
Random Stuff (W.I.P)
this mod adds a lot of random stuff
Evoker Prevention
Prevents Evokers from spawning.
Vindicator Prevention
Prevents Vindicators from spawning.
The Sneaky Creeper
Adds cloaking Creepers that divide into 2 mini sneaky creepers upon death. Be Scared.
Risky Block
Break a block, trigger 1 of 50 random events — jackpot loot or instant chaos. A pure gamble for streamers and thrill-seekers.
Sinfall
The study of sins: How to use them or how to get rid of them!