Neoforge Mods for Minecraft 1.21
Browse 4,507 free Neoforge mods for Minecraft 1.21 — popular picks include Epiphany - Modular Skill Tree, SuperRH bosses, Mechanical Cobblemons.
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Epiphany - Modular Skill Tree
A Data-driven Modular Skill Tree API mod
SuperRH bosses
This mod adds some uh cool stuff like a very strong boss and a total red biome
Mechanical Cobblemons
This modpack aims to integrate Cobblemons and create, adding new recipes and ways of crafting more complex Cobblemon recipes using Create ways
My Shadow
My Shadow adds a unique side quest to Minecraft, involving a cursed relic, a sword duel and other magic stuff.
Entity Resize Potions
Adding potions that resize entities.
Essor
Essor is a Minecraft mod that enhances your experience by adding a leveling system to your equipment. Make it grow stronger over time and become the most powerful entity in the world you shape.
More Anvil Recipes
Adds crafting recipes for chipped and damaged anvils, and lets you repair anvils using iron ingots!
Juix Resources (mod version)
Mod enabling Juix datapacks' custom textures
Quality O' Life
Some technical changes to improve the minecraft experience.
Create Aeronautics: Mekanism Weight
Sets reasonable kpg weights for mekanism blocks
Flappy Wings
Debuff the Elytra by replacing its functionality with a Double Jump
Wayland Cursor Fix
Fixes the cursor remaining visible after closing modded GUIs on Wayland
End Only Elytra Flight
A simple mod that restricts ALL (even modded) elytra flight to the end only. Good for servers concerned about worldgen lag. Has a config for disabling elytra flight entirely.
Curse of the Yeeters
TNT Yeeters have returned from the dead! And they're cursed!

ZA - tools
This mod adds some QoL tools like skythes and building hammers.

Freshness
This mod adds freshness for food
Create: Mintage
Make Custom Currencies For Player Driven Economies
Confectionery
A semi-in-depth candy and baking mod!
SMod
A mod that adds totally cursed broken or overpowered items blocks and tools to the game that will make or break the game.
Max Protection III
Caps the max level of Protection to Protection III
FlexBorder
FlexBorder adds a fully configurable world border system designed for PvP, survival, and Battle Royale–style servers.
Mace Booster
A simple mod that teleports you just high enough to triggern the mace!
Equipment Manager
Makes some equipment toggleable. This makes those toggled off items unusable.
NetUtils
A networking utility for protocol debugging and state synchronization testing.
FlipIt
Mod that allows you to flip items in your hands.
Incensed
Turn torches, candles, lanterns and campfires into effect incenses.

Random Enchant
Now, all you need to do is attack mobs, and the item in your hand will gain enchantments automatically.
Poofy's Uncraftable Recipes+
This mod adds over 280+ crafting recipes to vanilla Minecraft!
Suspicious Bread
Really goofy mod that may or may not ruin the speedrun community. Some might call a speedrun with this mod a bread%
CraftBoost
Crafting recipe matching cache optimization mod — Fabric / NeoForge / Forge
Pokeballs to the Walls
Cobblemon addon that ports Gravelmon Poke Balls and adds orange and purple apricorns without the Gravelmon or GEB dependency.
Leave My Pets Alone
Makes wolf armor protect against a /kill
CC: Tweaked Volume Config
This add-on adds a configuration option for the maximum volume of speakers in CC:Tweaked

Simple Smith
Upgrade your gear with a "Forging Skill" system
GK1H Extras
Mod with miscellaneous changes and additions made by GK1H.
Create: Limited
Limits the amount of time SU can be generated, generators now slowly decay with time.