Neoforge Mods for Minecraft 1.21
Browse 4,500 free Neoforge mods for Minecraft 1.21 — popular picks include RMK`s The One Probe Addon, Rustling Spots: Team Rocket Addon [Cobblemon], Enchanted Techniques.
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RMK`s The One Probe Addon
The One Probe addon for different mods
Rustling Spots: Team Rocket Addon [Cobblemon]
Adds rare Jessie and James interruptions to Rustling Spots, turning exploration encounters into scalable Team Rocket trainer battles with unique dialogue and rewards.
Enchanted Techniques
Adds Demon Slayer: Kimetsu no Yaiba inspired techniques.
Small Doubling
Allows you to duplicate any Small Flower using Bonemeal, just like the big ones!
Better Useless
Let's give a second life to useless items...
Lost in Dreamland(迷失梦域国)
Add a series of new things.Including a new dimension.

Sniff Trail - Unique Rideable Sniffer
Automatic movement using a sniffer!
Create Cosmonautics Expansion
This space mod adds more planets and other space-related content to the game. It gives you new places to explore, along with extra items and features that make the game feel bigger and more fun.
Create: Creative Tools
A Create mod addon that adds 5 Nether Star upgrade recipes to convert regular devices into their creative-mode counterparts.
Variable Copper Bulb Signal
This mod changes the comparator output of copper bulb based on its oxidation level. It matches the light level and redstone signal.
HandsOfTheVoid.jar
Slow burn horror mod heavily inspired by the broken script that will make you feel like you're in an ARG

Front-Utilities
A utility mod for BlockFront
Zhengels's additions
This mod adds vanilla+ stuff and fixes some minecraft's flaws.
BuildsNBarrens
Adding features to build up the barren aspects of the game!
Refined Netherite
Stronger than Netherite. and more
Slipboot
A warp system similar to Waystones, but with a geopolitical twist!
Create: Ergonomic
An addon that optimizes tedious manual operations in Create.
Minecraft Backrooms
One of the better Backrooms mods available.
Enchantment Cap Extension
Extends the level cap for several vanilla enchantments.
Wescraft: Desire Paths
This mod adds erosion to grass upon stepping on it, creating desire paths.
Distant Lands
Discover immersive biomes inspired by Brazilian flora, 500+ blocks, Carpenter Table, Hollow Logs, and Crawl for hidden adventures!
Ninjago Elements
Adds in the main core elements from the series lego ninjago
Natural Healing Control
Control the rate of natural regeneration and food exhaustion, disable rapid saturation regen, starvation in peaceful and more. Fully configurable.

LET!EM!BURN!
"Destructive" Bridge between Create Aeronautics and other non-Create mods.
Xerca's Kitchen
Immersive food and drink from various cuisines, some with special mechanics
TerrariaCraft (NeoForge)
A Minecraft modpack that brings Terraria’s unique items, mechanics, and enemies into the Minecraft world.
Harder Netherite
A mod that adds one just item that will make getting netherite way harder and more annoying
UnlimitedElytra
A mod that allows you to fly infinitely speed with the elytra.
Ashore
Switches boat velocity. Boats are now faster on land than in water.
immersive-cognified
This mod pack is fun to play around with, including create mechanism and immersive engineering.
Scaling Difficulty
Scale mob statistics based on time/distance traveled in the world. Port from Globox's RpgDifficulty
HEY! Villager that is my bed!
Stops villagers from using your own bed!
Sit and Lay
Adds the ability to sit, lie down, and more!
Meka-PMMO
Compat bridge between Mekanism and PMMO using mixins to grant Smelting and Block Break XP.
Koniavacraft
Explore the fusion of magic and technology in 'Koniavacraft' and drive your arcane industrial revolution!
Camera Utils (Neoforge Port)
Camera utilities for neoforge.