description_monoids
fluxionary

API to allow multiple mods to make modifications to an itemstack's description

Discord Bridge
Lesha_Vel

Mod + external program providing Discord relaying and commands. This is a fork of discordmt by archfan7411

Lush
rstcxk

fully featured shell interpreter

status effects
fluxionary

api for defining player status effects

afk_api
fluxionary

an API for registering events which trigger when a player goes AFK or comes back from AFK.

Events API
TPH

API for creating, handling, and permitting function registration calls for custom events

Vision Lib
mt-mods

Common library for PolySaken's mods.

Babelfish Redo
1F616EMO

Translate chat messages into other languages

monster_api_gb
Giga_M

add an api to create bosses

NodeCore Staybs API
Winter94

Movement parameters for various 'staybs'

Select Item
Wuzzy

Allows other mods to add a simple form to choose a single item.

Function Delayer
Hybrid Dog

Allows executing functions after a delay to reduce possible lag (EDD scheduler?)

Trucraft
mt-mods

An alternative crafting system done entirely in the world.

Ediblestuff API
lazerbeak12345

A unified API for making items, tools and armor edible. Eat armor while wearing it!

hand_monoid
fluxionary

player monoid for controlling the look and abilities of the player's hand.

Noriel Sylvire's Minerals Core Modpack
Noriel_Sylvire

An API for automatically registering recipes, nodes and ore generation.

Template to Easily Make Fancy Voxelized Models
Noodlemire

Provides voxelmodel.obj, a model designed to be shaped by changing its texture, in order to easily create fancy voxelized models.

Seasons Clock
solsword

API for getting various "season" parameters based on server time and a few customiable settings. Doesn't change gameplay; just a library that other mods can use to do seasonal things.

Matrix Chat
joenas

This mod creates a bridge between a Matrix channel and the in-game chat!

FS51
Luke

Compatibility layer for formspecs

Central Message
Wuzzy

Simple API to show messages to the center of the screen to players.

More Triggers
SkyBuilder1717

Adds more triggers for Awards

Advanced Fight Library
SFENCE

Library for implementing advanced combat systems with hitbox-based damage and body part health tracking

Register, Attach & Detach
mzel1982

Register glowing 3D items and custom display nodes that you can easily attach to players, place on walls, or showcase on pedestals.

Doclib
joe7575

A library to generate ingame manuals based on markdown files.

Cid Music Player
ekl

Plays music

flinv
Luke

API to add new inventory tabs which work across different inventory mods

Nodecore Mod Resource Library
Winter94

Resources to be used for NC Content

Unified Stamina API
TestificateMods

Provides a universal API for handling different mods that provide a stamina bar

CSMT Bots (Obsolete)
Logikí

Add bots to your game for training

Phonics Library
Neuromancer

Provides a library for creating Phonics (Learn how to read) mods in different languages.

Mesecons Stealthnode
Clyde

Register your own Ghoststones.

NodeCore Crystals
Winter94

Adds various crystal types to Nodecore

Player Settings
1F616EMO

Player-specific settings

CentralAuth
1F616EMO

Player account unification across Luanti servers

MFSM Multiple Finite State Machine
Sumi

Allows for multple states to be active, while maintaining typical state machine behavior. Good for gamestate and mobs.

LCD Font
Nazalassa

A simple font for font_api

Debugging Console
sorcerykid

Provides an in-game HUD to easily monitor debug output

Advanced Forceload
Kimapr

a better forceloading API

Job Control Mod
sorcerykid

A more flexible alternative to the builtin minetest.after function