Grenades API
LandarVargan

Adds an API for easily creating grenades

deploader
LuantistDork

Simple mod API that automates dependency-specific behaviour using a folder-heavy approach.

Persistent Effects
epCode

An API for creating persistent effects for any object. eg. damage a player or entity over time. (like poison)

Minetest HTTP API QoS control queue
SX

Improve quality of important HTTP requests by grouping requests into service quality buckets.

CSMT Bots (Obsolete)
Logikí

Add bots to your game for training

AFK Indicator
1F616EMO

API to check player AFK status

Chatcommand Library
LMD

Library for registering chatcommands.

Advanced Breath and Health APIS
liteninglazer

Creates APIS to allow different players to heal health and allow different players to breathe different items.

Ediblestuff API
lazerbeak12345

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

YL Scheduler
AliasAlreadyTaken

Execute tasks based on utc

Node Damage
Noodlemire

Enables nodes to be partially damaged, and to be repaired afterwards.

anarchy
solsword

Anarchy PCG library (see https://cs.wellesley.edu/~pmwh/anarchy/lua/ w/ docs at https://cs.wellesley.edu/~pmwh/anarchy/lua/docs32/index.html)

Player Settings
1F616EMO

Player-specific settings

Discrete Player API
Hypernoot

A library for games which attaches players to node grid

Isogen
BuckarooBanzai

Generate isometric images from ingame builds

description_monoids
fluxionary

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

Interactive Item API
Jose_ManuelS18

Provides an API to make it easier to implement items' inner workings.

LCD Font
Nazalassa

A simple font for font_api

Advanced Forceload
Kimapr

a better forceloading API

Job Control Mod
sorcerykid

A more flexible alternative to the builtin minetest.after function

Face Objects
1F616EMO

Calculate the facing of objects

Antigrief
sorcerykid

An API for validating node and item placement via a simple callback mechanism.

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.

Advanced Rangefinder
sorcerykid

Extends the API with search capabilities for entities

timehud
bookgirl

Minimal HUD timer API

Vision Lib
mt-mods

Common library for PolySaken's mods.

Select Item
Wuzzy

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

Fbt Core
Forburnt

A set of utils for other fbt_* mods

Item Holders
Jose_ManuelS18

Adds 'Item Holders', blocks that hold your items in display, also provides a API.

Quest Framework
TeTpaAka

Simple framework to define quests.

Star
Wiz

A* Pathfinding algorithm implementation

Phonics Library
Neuromancer

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

Dialog Redo
1F616EMO

Flexable dialog API

item_monoids
fluxionary

an API for controlling item properties via monoids

Archaeology
SkyBuilder1717

Adds an looting and API in archaeologing

typeof
TPH

Provides functionality similar to Luau's "typeof" function

Tasks Framework
AntumDeluge

Framework for adding tasks & quests.

action queues
fluxionary

provides an API for queuing things for batch processing w/ various ways to specify the batch "size".

NameGen
cronvel

Name generator API.