Neoforge Mods for Minecraft 1.21
Browse 4,507 free Neoforge mods for Minecraft 1.21 — popular picks include Spawn Animations Cobblemon Compat, Disturb Not My Dream, FFBandage.
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Spawn Animations Cobblemon Compat
Compatibility for Spawn Animations with Cobblemon.
Disturb Not My Dream
I hate it when someone messed my dream up.
FFBandage
Adds a simple healing bandage with configurable settings. A Fyxe's Features mod.
SheepSpeek
Lets your sheep speak their mind

Interstellar: Galaxy
Travel throughout the galaxy
Az's Mining Dimension
Quick and Dirty Mining Dimension
Aero Ship Buoyancy
Lightweight Create Aeronautics addon that makes ships float by hull contact with water instead of letting all light blocks act as magic lift.
More Improvable Skills [Addon]
Addon for Improvable Skills that adds more skills
Potions Stack
Increase stack size of potions
Contentcraft
ContentCraft adds features and mechanics that expand on Minecraft while keeping the vanilla feel!
Nyoldarria
Game expansion mod, intended on adding a lot of new content and a somewhat separate and unique gameplay experience.
Swim Fix
A mod that fixes MC-220390 related to swimming
HERE I AM
Can you see me?
affigame:Perfect MC
Lightweight modpack focused on creating mechanical systems with a touch of computer science
Document 17
Document 17 is a mod that adds in; 30+ characters (armors) two double chest's worth of items, a whole assortment of bosses to fight. and new- interesting ways to play the game. along with several base superpowers for players to use. want superheros? here.
Structure Vault Fixer
Fixed an issue where Vaults for certain structures might not activate in mods that add structures.
Stop Picking
Pick-up filtering.
Disney Zombies
adds stuff from all four zombies movies (and some of 5)
BBS Synchronized
A BBS add-on that keeps custom models synchronized between a server and every player on it.
Ethereal Resonators
A vanilla+ mod that makes player battles more interesting by making castles and other medieval stuff the optimal strategy while also speeding up grind!
Fall Effects
Adds cosmetic particles when landing from a certain height.
Lucis
A lightweight server-side light engine that speeds up any light related tasks drastically up to ~8-12x faster!
Suspention Wrench
Just a Wrench from Create: Tracks
Monkie Mischief
''If these peaches didn't make me inmortal, they'd literally kill me'' -Monkie King, Lego Monkie Kid™
Mob Age Tweak
THIS MOD IS OLD CHECK THE NEW REMASTER MOD "Animal Plus" https://modrinth.com/project/u3HfuMMy The Mob Age Tweak Mod enhances Minecraft gameplay by giving players control over the aging mechanics of passive mobs and more.
Spider Jockey (Earth2Java Compat)
This mod makes skeletons seek out nearby spiders so they can become jockeys.
Mounts AI Fix
This mod tries to fix a annoying bug from version 1.19.4+ of vanilla Minecraft related to Mounts and their AI.

Allay Companion
Replaces the totem of undying with an animated allay entity that moves around with you.
Duel Wielding
Allows for you to attack with your off-handed weapon, letting you duel wield weapons.

The SauceLand Mod
Just a mod made for the wonderful people at SauceLand!
Project Time Master: Reforged
Control the flow of time! Accelerate your base, items and machines with this addon.
Threads of Creation
Threads of Creation merges the mechanical wonders of the Create mod with immersive quests, a vibrant world teeming with passive mobs, and breathtaking realism for an unparalleled Minecraft adventure.
Sky Crushes
SkyCrushes is a progression-based processing mod that adds mechanical Trituradores (Crushers) to process raw minerals, geodes, and space materials.
Desolation: Reburn
Adds the charred forest, a spoooooooky biome to the Overworld!
CommandTokens
Configurable 'token' items that run commands when held and right clicked. Useful for servers.
Spartan Shields Reborn
Dozens of new shields including tower shields with 3D models, shield bash, shield enchantments and more. Unofficial 1.21 NeoForge continuation of Spartan Shields.