Neoforge Mods for Minecraft 1.21
Browse 1,527 free Neoforge mods for Minecraft 1.21 — popular picks include Aviel's Dialogue Mischiefs, Brushable Block, Quinn's FlexHUD.
Updated daily
Aviel's Dialogue Mischiefs
This mod adds the ability to create complex dialogue systems using JSON files and also introduces its own custom NPCs.
Brushable Block
A Minecraft mod that extends the vanilla brushing mechanic to any block via tags.

Quinn's FlexHUD
A HUD library for assisting with typesetting
Kiwi Customization
a tool for creating game content from Excel/Google Sheets/YAML.
FuseBox
Library datapack and mod for easy datapack development. Includes working stopwatch, countdown and an complex events system. Could be required for a mod or datapack you want to use.
euclidia
Adds Neural Network Powered Epic Fight Mob Combat
ADKM
Defeat a powerful, giant boss roaming your world to claim his legendary Scythe with +16 Attack Damage! A high-risk, high-reward challenge. (Requires GeckoLib)
Create: Recipe Hooks
Create library for recipe-based mods/addons/scripts etc...
KarasunikiLib
Utility library for Karasu Lab
WinterSports
I add some cool winter sports like ice skating to neoforge using Geckolib to make my favorites winter sport activities
aozaink
Aozai Ink MC is a NeoForge foundation mod that turns handwritten Chinese glyphs into semantic world states for Minecraft addons.
Not Enough Lib
This is a library mod for my mods.
SoItsPlushies
A small mod I made for plushies of me and friends!
Buckshot's RPG Combat Attributes
Welcome to a complete surgical rewrite of Minecraft's combat, physics, and magic mathematics.
TesseraUI
TesseraUI is a lightweight HTML/CSS UI framework for NeoForge that lets mod developers build Minecraft screens with runtime-parsed HTML templates, CSS styling, flexbox/grid layouts, data binding, animations, i18n, drag and drop, item slots, virtual lists,
Seamless API
API for all my mods, makes it easier for other developers to implement and add onto my projects
Creator Tools
Add creative camera controls, walk mode and weather toggles for cinematic gameplay and creative recording.
QtCraft API
QtCraft Widget API -- A UI framework for Minecraft based on Qt.
FMOD API
Professional-grade 3D spatial audio API for Minecraft mods
Silver's Ray Cast Library | RCL
Yet another Ray Cast library! with even more functions?
Hytale Model Loader
Allows the use of Hytale blockymodel files in mods or resource packs as well as blockyanim files in mods only
TomatoLib
A Library for my Minecraft mods
Lux Comapnion
Customizable glowing companions that follow you and light your way. Choose fairies, drones, lanterns and more, recolor and resize them in-game, or add your own GeckoLib models — client-side dynamic lighting
Vitae
Vitae is a data-driven entity framework for NeoForge 1.21.1 that lets you define custom animated mobs, bosses, and NPCs through datapacks and optional KubeJS scripting.
Life Is Strangeous
This mod is inspired by Life Is Strange. There is 25 Discs, 6 paintings and lighthouses. The discs can be obtained by recipe, drop and trades.

Real Temp
A realistic client-side temperature survival mod with dynamic biomes, weather, altitude, armor insulation, and seasons. Survive freezing winters, scorching summers, and extreme climates with immersive environmental mechanics.
Sanityfy
Adds Sanity to Minecraft for you to use
BossReng's UI Mod
Boss_Reng and various Lofi music creators bring you the best visuals and the most comfortable acoustic experience in Minecraft!
Box3JS
Box3JS is a Minecraft server-side mod inspired by Box3 coding style. You don’t need to write Java — just use TypeScript to build scripts.
TheFourLeafCollective
A modpack made to specialize in four main archetypes, tech, magic, exploration, and building!
Brea Horiz
A lib mod distribute entity events to entity attachment-like listeners.

AriKeys Continued
Fork of AriKeys for moden versions. AriKeys is a client-side mod for Minecraft, which allows your client to receive and send keypresses between servers using the AriKeys plugin.
Tender
Tender is a Minecraft economy API, inspired by Vault that programmatically connects a variety of economy mods.

BetterDeaths-API
AN API FOR MODS PLEASE ASK FOR PERMISSION BEFORE DEPENDENCY ADDED. Adds Death Procedural Code Templates.
wa3kit
You can save and load your inventory

ItemOverlayState
Simpler state textures based on data-driven approaches.