SmartFS
rubenwardy

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

Openai Api
cora

Use AI systems using the openai API

Timekeeper
sorcerykid

Timekeeper acts as a centralized dispatcher for all time-sensitive routines

Stopwatch
sorcerykid

Stopwatch is Lua-based benchmarking API for developers

Chunk Version
Sumi

Stores the numerical version a chunk was generated, so that other mods may query this.

Pluggable Helpers
sorcerykid

Automated dependency management of helper functions within a distributed architecture

toolcap_monoids
fluxionary

an API to allow multiple sources to apply changes to a tools's capabilities.

Natural Entities
LuantistDork

A lightweight API for spawning random entities

Matrix Chat
joenas

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

rcsv
Wuzzy

RFC-4180-compliant CSV parser and writer

YAML Config File Library
snowyu

Load or Save YAML config file

Database Manager
AFCM

Database Manager API

Level API
Hypernoot

A library for games to load levels defined as schematics

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.

Japanese Name
Logikí

transform your player name to japaNESE (joke)

YALib
hutzdog

Yet Another Library

Bedrock Markup Language
sorcerykid

Bedrock Markup Language is an extensible markup language and API for formspecs.

item_monoids
fluxionary

an API for controlling item properties via monoids

Compression Lib
The4spaceconstants

A library that provides functions to procedurally register compressed versions of nodes.

DataMiner
sorcerykid

DataMiner is an analytical tool for server operators with a feature-rich API for customized report generation

Wield Events
mt-mods

Events for wield item switching

Advance ore API
Sere Motsatt

Create complex minerals the easy way

Isogen
BuckarooBanzai

Generate isometric images from ingame builds

NucleoTest
DarkXWolf17

Battle Royale-like game. Provides an API and a reference implementation. Highly radioactive. Work in progress.

Phonics Library
Neuromancer

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

YL Ticker
AliasAlreadyTaken

Displays messages once per timeframe

name monoid
fluxionary

flexible control of a player's nametag

typeof
TPH

Provides functionality similar to Luau's "typeof" function

PostgreSQL Library
Tomlaus

Library for PostgreSQL Db.

Gettime
1F616EMO

A api to get in-game hour/minute

More vector helpers
Hybrid Dog

Adds more vector functions.

Dialogs
1F616EMO

Dialogs with options

Shop Dialog
1F616EMO

Formspec-based shop dialog

color_lib
bookgirl

adds HEX colouring

Face Objects
1F616EMO

Calculate the facing of objects

Star
Wiz

A* Pathfinding algorithm implementation

Grenades API
LandarVargan

Adds an API for easily creating grenades

Telegram
neko259

Integration with telegram messenger chat

Job Control Mod
sorcerykid

A more flexible alternative to the builtin minetest.after function

verbana
fluxionary

verification and banning