Neoforge Mods for Minecraft 1.21
Browse 18,783 free Neoforge mods for Minecraft 1.21 — popular picks include L2 Backpack, Additional Placements, Cobblemarks+ (Cobblemon).
Updated daily
L2 Backpack
Easy to use Backpack and shared ender chest
Additional Placements
Additional placement states for many blocks, including vertical slabs and stairs

Cobblemarks+ (Cobblemon)
Adds additional marks to Cobblemon, and improves some already existing ones!
Biolith
A biome placement mod focusing on configurability and consistent distribution of modded biomes

Immersive Snow
Small tweaks that add to Minecraft's Winter theme. Intended for use with a season mod.
Fargo's Talismans
Fargo's Talismans adds a variety of talismans to Minecraft inspired by the Terraria mod Fargo's Soul Mod, each with unique abilities
Me-Beam-Former
Add an ME Beam Former to AE2 to enable visually and wireless visually stunning ME network connections.
The Occult
A mod introducing demons, rituals and dark magic.
Citadel (Unofficial Port)
A Lightweight Library
Roomopolis
Allows the creation of rooms using keys and key blocks
Can't Sleep Clowns Will Eat Me
A forge mod that causes nearby mobs to be temporarily highlighted when they prevent players from attempting to sleep
Vintage Animations
Overhaul Animations of Basic Actions

KaleidoscopeChineseFood
Adds more Chinese dishes to Kaleidoscope Cookery.
Copper Drops
Decreases Copper Ore's drops to balance gameplay.
Epic Structures: Villages
A Mod which replaces vanilla villages with epic sprawling towns :)
DragonLib
A library mod for all my other mods.

Armor of the Ages
A Minecraft mod that adds animated armors from various culture. The perfect mod to defend your dirt & cobblestone house with style !
Abandoned Watchtowers
Adds abandoned Watchtowers to forest biomes. Perfect for a horror or adventure setting
Discord Integration Forge
Click for other loaders. This mod links your server chat with a channel on your discord server.
Wool Tweaks
🐑 Makes various changes to wool-type block recipes, string conversion and the dyeing process.
Elite X Quality Guns (TACZ)
Sucessor of Elite X Warfare now on Tac Z
Majo's Broom
a Flying Broom mod
Mob AI Tweaks
Tweaks certain mob AIs, major or minor. Reworks the Wither and Ender Dragon boss fights!
Trade Uses
Shows how many times you can use a trade before restock.
Chested Companions
Equip chests on your fluffy friends!
Expanded Combat
An expansion to how you battle
FilesJS
Allow you to use kubejs for some restrictive operations on files
Create: Deep Dark
A Create mod addon featuring new end-game items based on the Deep Dark biome, making venturing into Warden territory more fun and rewarding.

Wabi-Sabi Structures
A collection of unique, quality structures based on the Wabi-Sabi philosophy
ClearSky
Unofficially ports ClearSkies, making horizon and fog colors match the sky
Chat Notify
Plays a ping sound when your name is mentioned, with options to create custom alerts.
All The Mons - Coremod (this is not the modpack you are looking for)
Coremod for the modpack All The Mons
Create: Mechanical Botany
Gather plants from automation
Integrated Simply Swords
An addon for Simply Swords with modded compatibility
Chisel Reborn
Adds lots of blocks that are variations of vanilla blocks

Distant Horizons API
Don't Download Unless You Are A Developer. This is automatically included in the DH mod jar.