Random Messages
1F616EMO

Register random announcements

action queues
fluxionary

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

Job Control Mod
sorcerykid

A more flexible alternative to the builtin minetest.after function

Minetest Systemd (API)
Piezo_

Debugging utility and compatibility tools for server owners and/or modpack creators

craftsystem
fluxionary

craft registration API which automatically deals w/ replacements

flinv
Luke

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

Entity Control Function Library
Noodlemire

Adds functions to override and unregister entities.

Events API
TPH

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

Advanced Forceload
Kimapr

a better forceloading API

AoM Settings
Sumi

Provides methods for both player level and server level settings

Noriel Sylvire's Minerals Core Modpack
Noriel_Sylvire

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

Flow Extras
lazerbeak12345

An experimental collection of extra widget APIs for flow

Interactive Item API
Jose_ManuelS18

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

Mapsync
BuckarooBanzai

Synchronize the ingame map with a lua-backend

NameGen
cronvel

Name generator API.

SmartFS
rubenwardy

A library to allow mods to make Formspecs, a form of GUI, easily.

Multiblock Lib
Mindcool25

Multiblock structure handler

Telegram
neko259

Integration with telegram messenger chat

Anti Exploit
LMD

Protects against exploits

Isogen
BuckarooBanzai

Generate isometric images from ingame builds

Cid Music Player
ekl

Plays music

Select Item
Wuzzy

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

Timed World Modifiers library
karamel

Environmental ABM that could be triggered on a very wide range of nodes but only a few at a time.

Player Visibility Api
erov

Easily manage player visibility in a similar way to area protection

Minebase Core
ThatCommand

Adds APIs and new dynamic functionalities.

Wield Gadgets
1F616EMO

Register gadgets that can be used with a hotkey

more_player_monoids
fluxionary

more player monoids

Simple notification wrapper
KirowL

This project offers a Notification System API to display temporary messages on the player's screen, allowing seamless integration of notifications into gameplay.

Promise Stuff
jwmhjwmh

A promise library

Virt
frogTheSecond

A library for (qemu) virtual machines

balanced diet
fluxionary

api for specifying multiple dimensions to eating

HTML to Luanti Hypertext
1F616EMO

Convert HTML to Luanti Hypertext for formspecs

canonical name
fluxionary

api to get the proper capitalization of a name

Chat Games API
Impulse

An API to build chatgames like those in the chatgames

Minetest Teams
pl608

simple multiplayer team system

Trucraft
mt-mods

An alternative crafting system done entirely in the world.

Complete and Total Lua-Only Inventory Rewrite
Noodlemire

Creates a completely custom inventory system, which doesn't rely at all on any of the usual UserData objects.

Advanced Rangefinder
sorcerykid

Extends the Minetest API with search capabilities for entities

Dialogs
1F616EMO

Dialogs with options

Gettime
1F616EMO

A api to get in-game hour/minute