Neoforge Mods for Minecraft 1.21
Browse 18,782 free Neoforge mods for Minecraft 1.21 — popular picks include Create Ore Excavation, Deimos Lib, Jaden's Nether Expansion.
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Create Ore Excavation
Extract resources using machines powered by Rotational Force
Deimos Lib
Config and datagen library based on midnight lib
Jaden's Nether Expansion
Nether Expansion is a Vanilla Friendly mod that aims to improve & add new content to every aspect of The Nether
Prefab
Creates ways of providing instant structures
YUNG's Better Mineshafts (NeoForge)
A long-awaited and much-needed abandoned mineshaft overhaul!
Advanced Finders
Discover ores faster with new finders that revolutionize the mining experience
Aether Addon: Enhanced Extinguishing
Improves the consistency of fire being disallowed in the Aether by adding new extinguished variants of blocks.
Xtones Reworked
Port of the Mod Xtones that adds various of modern, futuristic, and fantasy style decorative building blocks
Useful Railroads
Wo don't want extreme high speed rails for travel?
Chunk Loaders
Chunk Loaders allows you keep chunks loaded with different tiers of chunk loaders!
YDM's MobHealthBar
Health Bar above mobs
Dyenamics
Contains various pigment options for colorful gameplay!
Elysium API
Elysium is a library mod with various utilities, built-in features and new data driven systems for both Mod-Developers and Modpack-Creators to utilize
Roughly Enough Professions (REP)
An REI addon that adds profession workstations
Wizards (RPG Series)
🧙🏻♂️ Destroy your enemies with Arcane, Fire and Frost magic
YUNG's Better Strongholds (NeoForge) [1.20.4 - 1.21.1 ONLY]
A complete redesign of Minecraft's strongholds
ChemLib
Items for all periodic elements and many chemical compounds
Everything is Copper
Some actual uses for copper. Adds a copper version of all the iron blocks and items.
PlayerRevive
Revive your friends
Cultural Delights
A Farmer's Delight addon that adds food systems from around the world.

Amendments
Many changes to vanilla blocks

Sodium Dynamic Lights
Multiloader port of LambDynLights that adds Sodium options integration
Factory Blocks [Forge/Fabric/NeoForge]
Addon to Chisel Refabricated's Blocks to add Factory Blocks
Better Tridents
You didn’t know your trident could do that! A crafting recipe, better loyalty, and more!
Fast Item Frames
Supercharged item frames! Less lag, better performance, and now they can change color and vanish!
Tesseract API (NeoForge)
Another library mod for mod developers
EMI Enchanting
EMI Plugin that gives basic enchantment information; valid items, exlcusions, etc.
Illagers Wear Armor
Allows Illagers to wear armor!
Architect's Palette
A host of new blocks to build and tinker with!
DimensionalDoors
Mazes, puzzles and traps. Doors and portals that can teleport you anywhere. Envious, malevolent eyes looking at you from the eldritch Limbo dimension.
Neapolitan
Serves up six different flavors of ice cream with quirky effects!
Sophisticated Backpacks Create Integration
Sophisticated Backpacks on create contraptions
NaNny (Fix NaN Health / Absorption)
A Minecraft Neo/Forge mod that cleans up after mods that set entities' health and/or absorption to NaN.
From The Fog
Enter a world of fear and mystery with From The Fog, a Minecraft mod that brings the legendary Herobrine to life in a spooky and immersive way true to the legend.
Autochef's Delight
Support stacked cooking & optimize recipe-matching in Farmer's Delight
Miner's Delight +
Farmer's Delight add-on for miners