MQTT Client Library
Tuxilio

A mod for MQTT communication

canonical name
fluxionary

api to get the proper capitalization of a name

Advanced Chat
LMD

A library for advanced chatting.

Extended Protection
1F616EMO

Extended interaction restriction rule

Debugging Console
sorcerykid

Provides an in-game HUD to easily monitor debug output

More vector helpers
Hybrid Dog

Adds more vector functions.

toolcap_monoids
fluxionary

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

Squill
Luke

A subset of SQL. No complex installation required.

Telegram
neko259

Integration with telegram messenger chat

Be2een Api
_gianpy_

timers, animation and action! ciack

Japanese Name
Logikí

transform your player name to japaNESE (joke)

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

Pluggable Helpers
sorcerykid

Automated dependency management of helper functions within a distributed architecture

Luarocks Wrapper
lazerbeak12345

Securely Wrap Luarocks packages without needing trusted mods.

SmartFS
rubenwardy

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

balanced diet
fluxionary

api for specifying multiple dimensions to eating

Key Binding
1F616EMO

Register callbacks when a key is pressed, holded, or released.

Table Goodies
benrob0329

A small package for extra (can't live without) functions for working with tables.

BigNum
ThePython10110

A library that adds a data type for arbitrary precision integers

YALib
hutzdog

Yet Another Library

Stopwatch
sorcerykid

Stopwatch is Lua-based benchmarking API for developers

Virt
frogTheSecond

A library for (qemu) virtual machines

Timekeeper
sorcerykid

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

typeof
TPH

Provides functionality similar to Luau's "typeof" function

Subcommands
1F616EMO

API to make commands with subcommands

Newspaper
1F616EMO

A Customizable newspaper

Basic HUD textures
Wuzzy

Adds basic but neccessary HUD images: Heart icon, bubble icon, … (for game authors)

Ambience API
1F616EMO

API for playing background musics

SSCSM implementation
Luke

A server-sent CSM library.

World Storage [deprecated]
Sumi

[DEPRECATED] Allows saving and loading data to the world folder, and offers an alternative to global settings

Player Info [deprecated]
Sumi

[DEPRECATED] Adds a way to track information about the player and controls.

Benchmark Engine
theFox

Engine for running benchmarks ingame.

Emerald Bank (MineClonia)
N Freeman

Keep your Emeralds in a Bank, a complete economy API

default sounds for other games
awuuwa

mods that only depend on "default" for sounds, can be made to use this mod to source the sounds from

Oreveins
ApolloX

A node which produces ores

Node entity library
The4spaceconstants

Library for functional node entities.

World Data Manager Library
AntumDeluge

A library for managing data files in the world directory.

Minetest Object IDs (API)
zeuner

Persistent object-IDs for developers

Metavectors
theFox

vectors using metatables to make coding easier