Neoforge Mods for Minecraft 1.21
Browse 666 free Neoforge mods for Minecraft 1.21 — popular picks include Caseyy's Create Adventure, Lingua Mundi, JustFly.
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Caseyy's Create Adventure
A lightweight modpack blending Create’s mechanical magic with MineColonies’ charming town-building for a cozy, creative experience.
Lingua Mundi
Learn the Language of the World, build modular spells, enjoy fantastic visuals.
JustFly
A simple and elegant flying mod for Minecraft 1.21.4 and higher with NeoForge that allows players to fly like in Creative Mode with fall damage protection.
DC's Simple Occultism
A variety of items and rituals with an occult theme, as well as vampirism mechanics and several new weapons and armors.
Combat Numbers
See how much damage you deal, with style! Different indicators for different damage types.
SAO Particles
A mod that spawns particles when mobs die, just like in SAO!
Eggo Cards
Lots of different Cards that give you different abilities.
Karma's Cobblemon Mechanical Magic
A modded Minecraft server blending Cobblemon and Create with bonus magic and tech from Mekanism and Mystical Agriculture

Toukun's Mod
This mod is the culmination of what my friends and I think would be fun to include in Minecraft as a Mod.
Enchanted Techniques
Adds Demon Slayer: Kimetsu no Yaiba inspired techniques.
Command Block Staff
An add-on for AvM Staff Mod that turns the Command Block into a god-tier staff.
Soul Cage
Soul cages for capturing and releasing mobs
Teyvatcraft
A Minecraft mod inspired by the HoYoverse game "Genshin Impact."
Enchantment Cap Extension
Extends the level cap for several vanilla enchantments.
Marvel Legacy
A superhero mod that lets you suit up as various Marvel superheroes and supervillains from the comics, films, and games!
Custom Portals Foxified
Build portals out of any block. Create two matching frames, light them with a colored catalyst, and travel between linked portals.
Lost in Dreamland(迷失梦域国)
Add a series of new things.Including a new dimension.
Zhengels's additions
This mod adds vanilla+ stuff and fixes some minecraft's flaws.
Ninjago Elements
Adds in the main core elements from the series lego ninjago
Provenance
Provenance is a mod that allows developers to add abilities to players, as well as the systems to manage and execute them.
Koniavacraft
Explore the fusion of magic and technology in 'Koniavacraft' and drive your arcane industrial revolution!
IFC-Integrations
Unite the worlds of Ice and Fire and MCA Reborn with legendary relics, enhanced creature interactions, and a new way to experience both mods together.
JOJO - stone block crusaders
Adds many features from the popular manga/anime jojo's bizzare adventure (jjba)
Realms of Runeterra: A tale of Relative Dimensions
New blocks, items, mechanics, stories and adventures await you in a 131072-side block map of Runeterra, the world of the world-wide known MOBA League of Legends. An immersive new dimension paired with procedural generation to spice every new world!
NeoPasterDream
Also known as the NewPasterDream, it is a port of the original mod to the 1.21.1 NEO loader, and has been restructured to make it more oriented towards adventure themes.

Spectrum Compat
Integrates Spectrum mechanics into other mods

Snowier Golems
Allows you to enchant snow golems for new abilities! (made for WinterJam)
Neutrality Redux
Neutrality Redux is a remake of a mod about the interaction, friendship and development of the Illager race!
Mystical Augments Everywhere
Mystical Agriculture Addon to allow augments on all tools and armor
Mproject
A massive weapon mod adding legendary swords with unique abilities, new devastating effects, and chaos magic. Created primarily for the residents of the Maluch dormitory.

Grimm's Mod
Everything you could want! Leveling, features of old mods, economy, technology, custom items, blocks, commands, transmutation of items and even more!
Universal Trinkets
Modular, command-powered trinkets for mapmakers, mod-pack devs, and power players.
Netherlock'd
Locks the Nether behind the Wither, turning the Nether portal into a sealed gateway that must be unlocked by defeating the guardian within.
Dreamlands
Escape reality in your dreamland.
R.E.P.O. Love Potion
Adds the love potion and "I Love" song from the popular game: R.E.P.O, along with extra mechanics.

O's enderite
Adds new ores, tools, mobs, blocks and structures based on Enderite — a powerful resource from the End.