Neoforge Mods for Minecraft 1.21
Browse 147 free Neoforge mods for Minecraft 1.21 — popular picks include Poofy's Uncraftable Recipes+, Mathimations, Slime Tweaker.
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Poofy's Uncraftable Recipes+
This mod adds over 280+ crafting recipes to vanilla Minecraft!
Mathimations
A lightweight Minecraft animation library for creating smooth, math-based entity animations without keyframes.

Slime Tweaker
Small mod that adds a gamerule and config to change the size of spawned slimes.
Weights
A simple mod for entities, to have Weight and Mod Weight Library
Brea Nonatomic
A mod provides operator system which can create entities to follow and help you.
Tameable Bees — Ручные Пчёлы
Tameable bee. Follows you, protects you, and collects pollen. A new companion on your adventure
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)
SoItsPlushies
A small mod I made for plushies of me and friends!
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.
Void Pressure
A flexible NeoForge framework for modpacks, providing a global pressure system to trigger fully configurable events.
twinkle popo mod
it adds twinkle popo realistic pikachu and realistic hellokity
RTN's Economy Library
Server-side economy library with rewards for killing mobs, kill combos, top lists and a developer API. Vault-style economy for mods in Minecraft.
Proprietary Teams Bridge
Mod to bridge Priopetary Teams mod to FOSS alteanatives
Spell Utils Mod (1.21.1) – Library for Iron's Spells and Spellbooks Addons
Spell Utils Mod is a utility API designed to help developers create addons for Iron's Spells and Spellbooks Mod. It provides ready-to-use systems, classes, and tools that simplify the process of building custom spells, mobs, and bosses. This mod is mainly intended for mod developers, not regular players. Features: Mob & Boss Systems Custom spellcasting […]
Travelers Lib Mod (1.21.1, 1.20.1) – Library for Collinvht's Mods
Travelers Lib Mod is a technical support library used by Collinvht to build animal and creature-focused Minecraft mods. It does not add gameplay content by itself, but provides systems and tools required by other mods. Features: Core library for creature and animal-based mods Animal attribute system for easier creature setup Simplified and structured animal registration Async […]
Chrysalis Mod (1.21.4, 1.21.1) – A Framework to Customize Game Mechanics
Chrysalis Mod is a library that other mods need to work correctly. You usually only need to install it when another mod lists it as a requirement. This mod provides a shared set of tools and features, like systems for camera shakes, custom music in structures, and a way to pick up mobs in buckets. […]
Temporal API Mod (1.21.4, 1.20.1) – Makes Other Great Mods Work
Temporal API Mod provides a framework to make creating other Minecraft mods easier and more flexible. This mod does not add new gameplay features for players directly. Instead, it is a library that helps other mods work by reducing repetitive code and simplifying the development process. Features: Provides object factories to help create new game […]
Dio's Lib Mod (1.21.8, 1.20.1) – Library for Janoeo's Projects
Dio's Lib Mod is a lib mod who add a lot a utility thing for the mod of Janoeo's Projects. Features: General use data generator Block helper like: Mobs anger Access to specific block function New functionality to snow powder Custom config file system utilising json And another utility function like RessourceLocation helper and more. […]
Kleiders Custom Renderer API Mod (1.21.1, 1.20.1) – Change The Player/Mobs Models
Kleiders Custom Renderer API Mod is a technical library created by the modder kleiders3010. It provides functions for altering the player’s appearance, primarily used in their own mods-but it’s also been adopted by other developers for similar purposes. Loaded on demand by: Create protection pixel mod – this means the API is only activated when […]
Petrolpark's Library Mod (1.21.1, 1.20.1) – Offers Useful Tools For Development
Petrolpark's Library Mod supports mod that provides shared features used by other Create-based mods from the same author. It offers tools that help development and interaction. Features: Adds “contaminants” that can affect recipes and items. Supports items that decay or change over time. Includes custom crafting options like aging recipes and manual-only crafting. Adds early […]
EntityJS Mod (1.21.1, 1.20.1) – Script Smarter Mobs
EntityJS Mod is a powerful addon for KubeJS that enables modders to define and control custom entities using JavaScript. It offers a flexible framework for scripting entity behaviors, attributes, AI, and animations, streamlining the modding process for Minecraft Features: Easily register custom entities and define their attributes and behaviors using JavaScript. Modify existing entity methods […]
Paucal API Mod (1.21.1, 1.20.1) – A Link between Mods
Paucal API Mod is a library Mod that places significant emphasis on bridging famous Petrak's Mods, allowing them to be compatible with each other. Paucal mainly serves as a backend for Petrak's Mods, thus providing players a better experience. At the same time, players get to utilize useful backend utilities to make their gameplay more […]
ExtraHitboxes
Add extra hitboxes from geckolib and blockbench
QuickWhisper
A terrifying Minecraft horror mod made on NeoForge that adds procedural jumpscares, creepy ambient sounds, and an immersive custom glitch menu.
Petrolpark Library
Shared code for my mods
hidename(nick) and Player health show and (Nick Change)-Hidden Name
"Hide player names on the server or client" //PLAYER HEALTH, Nick Change, item name, mob health, and player health.
Randomizer Ultimate Core
The core mod for one of my modpacks, random block drops, mob drops, and loot container loot
Mob Controller Creeper Spawning
This Mod adds control functions for Creeper Spawning in Minecraft, creating a variety of internal alternatives, reducing the appearance of said mob by 75%, 50% and 25% (at the player's choice) compatibility for 1.17 to 26.1.2
Mob Controller Skeleton Spawning
This Mod adds control functions for Skeleton Spawning in Minecraft, creating a variety of internal alternatives, reducing the appearance of said mob by 75%, 50% and 25% (at the player's choice) compatibility for 1.17 to 26.1.2
Mob Controller Spider Spawning
This Mod adds control functions for Spider Spawning in Minecraft, creating a variety of internal alternatives, reducing the appearance of said mob by 75%, 50% and 25% (at the player's choice) compatibility for 1.17 to 26.1.2
Mob Controller Enderman Spawning
This Mod adds control functions for Enderman Spawning in Minecraft, creating a variety of internal alternatives, reducing the appearance of said mob by 75%, 50% and 25% (at the player's choice) compatibility for 1.17 to 26.1.2
Mob Controller Phantom Spawning
This Mod adds control functions for Phantom Spawning in Minecraft, creating a variety of internal alternatives, reducing the appearance of said mob by 75%, 50% and 25% (at the player's choice) compatibility for 1.17 to 26.1.2
Mob Controller Slime Spawning
This Mod adds control functions for Slime Spawning in Minecraft, creating a variety of internal alternatives, reducing the appearance of said mob by 75%, 50% and 25% (at the player's choice) compatibility for 1.17 to 26.1.2
Mob Controller Pillager Spawning
This Mod adds control functions for Pillager Spawning in Minecraft, creating a variety of internal alternatives, reducing the appearance of said mob by 75%, 50% and 25% (at the player's choice) compatibility for 1.17 to 26.1.2
Epic Fight: Indestructible
An Epic Fight addon provide new behavioral options through data pack to enhance monster AI.