Neoforge Mods for Minecraft Java
Browse 1,882 free Neoforge mods for Minecraft Java — popular picks include MCULib, Tango Web API, BTSEngine: Core.
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MCULib
A library mod for MCUpdater mods
Tango Web API
An API to bundle Webservers and Webinterfaces for your Mods
BTSEngine: Core
Main library required for the Behind The Scenery Engine project, providing many useful libraries and our modules to work with.
Fabric Tabs
Brings Fabric API's paginated creative tabs UI to Forge and NeoForge.
Tau
A versatile and powerful UI Library for minecraft that provides a flutter-like syntax for making UI

No More Messages
A server-side method for disabling all player messages in chat.
U-API
A lightweight core API library for mods built around the U-API ecosystem.

NMB. New Models Backport
Mod that makes a layer of compatibility between new models of minecraft 1.21.11+ for the older version. (Backport)
BBS Addon Engine
The BBS Addon Engine is an essential compatibility layer that allows you to run BBS CML addons directly on the base BBS mod and BBS FS.
EntityChunkData
An alternative of Level#getEntitiesOfClass to collect entities.
Hiiragi Core
Library and Utilities mod for Hiiragi's mods
All Items (Server Mod)
Track a groups collective progress for an all items challenge
Tom's Loot
This modpack adds a variety of loot tables and can be used by other mod developers for structure mods and other mods with loot tables as a basis.
Sandbox Cutscenes
A library mod to make cutscenes for your mods, maps or modpacks
GraalJS
A JavaScript language library.
Packdev Toolkit
A collection of developer tools for building modpacks and datapacks. Pull textures/models out of resource packs, dump lang entries, search datapacks, and copy item IDs: all without leaving the game!
SDM Events Lab JS
Create your own events for your world
Create:Custom Train Door
Interactive CR400BF and CRH2A sliding train doors for Create on Minecraft 1.21.1, with ZIP-based custom textures, animations, sounds, and recipes.
polymer-neo
Unofficial Neoforge version of polymer
DeartsCraft
DeartsCraft adds rainbow blocks, unique ores, powerful swords, coins, and fun foods like burgers and cola. Enhance your Minecraft world with creativity, adventure, and endless possibilities in every update.
E-lib
The local library for Forge modifications
Slayer Quests
Serverside mod that allows Nitwits to assign OSRS slayer style quests, also works as a library for adding quest functionality to your own mobs
Rock's lib
Library for roooksasjiu's mods
Open Parties and Claims Chunk Shop
Addon for OPAC open parties and claims for chunk trading and buying additional bonus chunks
qLibs
Personal library for Minecraft 1.21.1 modding. Fabric + NeoForge via Architectury. Probably needed for most mods I release. Open source, free to use. Hope it's helpful.
FlansKnowledgeLib
A Library Mod For My Mods
Player Abilities
Adds an extensive and customizable ability framework to grant players active, passive, and triggered abilities.
T0PK4_lib
This is a next-generation bugfix mod required for ModderEFGS's and T0PK4's mods to work.
AI Crafter
Minecraft AI Assistant brings the power of Google Gemini AI directly into your Minecraft world! Get instant help, answers, and even execute commands through natural language all powered by cutting-edge AI technology.
InvItemMark
Mark and display items in containers or your inventory to other players.
ResourcePackDirectory
Modify Your ResourcePack Directory
Easy Bee
A completly new way to trasport bees with extra tweaks
ServUI
A user-interface based library useful for creating front-end UIs for existing game screens on both NeoForge and Fabric
SOLEA API
SoleaAPI is a utility mod that combines homes, warps, TPA, teams, moderation, and combat-log tools into one configurable package with dynamic prefix support and EN/FR localization.
CompatLink - Epic Fight Weapons Compat
Give ANY modded weapon Epic Fight movesets — no coding, just JSON.
EbonyLib
A Worldgen library for configured features and structures