Central Message
Wuzzy

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

Key Binding
1F616EMO

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

Nametags2
Logikí

Allow objects had nametags with observers, colors and range

Autobox
Just_Visiting

Auto Collision/Selection Loading Boxes

Weapons API
Stix

Adds an API to easily register custom weapons

NucleoTest
LissoBone

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

Guider
1F616EMO

HUD markers for navigation

Anti Exploit
LMD

Protects against exploits

Antigrief
sorcerykid

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

Interactive Item API
Jose_ManuelS18

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

Node Damage
Noodlemire

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

Minetest test framework
BuckarooBanzai

Provides an api to register test functions for integration-tests.

Lockout
ApolloX

Late-stage Security for Servers

Wield Gadgets
1F616EMO

Register gadgets that can be used with a hotkey

Entity Control Function Library
Noodlemire

Adds functions to override and unregister entities.

item_monoids
fluxionary

an API for controlling item properties via monoids

Tasks Framework
AntumDeluge

Framework for adding tasks & quests.

Wield Events
mt-mods

Events for wield item switching

Mapsync
BuckarooBanzai

Synchronize the ingame map with a lua-backend

NameGen
cronvel

Name generator API.

Old Wizard Font
Pyrollo

OldWizard font minetest mod for font API

Exploding Chest
Coder12

Api-mod to allow containers like chest to explode if it contains explosive materials.

Phonics Library
Neuromancer

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

Flow Extras
lazerbeak12345

An experimental collection of extra widget APIs for flow

Babelfish Redo
1F616EMO

Translate chat messages into other languages

player attributes
fluxionary

API for defining abstract, compositional player attributes

Signs Redux
sorcerykid

Signs Redux is a complete rewrite of default signs that adds many new features

Function Delayer
Hybrid Dog

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

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.

Compression API
The4spaceconstants

An API that provides functions to procedurally register compressed versions of nodes.

group:any
1F616EMO

Item group applied to ALL items for crafting recipes.

Smart Chat
Clyde

A new, lightweight, simple and modular Chatsystem

Shop Dialog
1F616EMO

Formspec-based shop dialog

The Mob API
TX_Miner

Provides a simple API for mobs

Isogen
BuckarooBanzai

Generate isometric images from ingame builds

Level API
Hypernoot

A library for games to load levels defined as schematics

Minetest Systemd (API)
Piezo_

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

Position listeners library
karamel

Players' position observing library

SmartFS
rubenwardy

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

Advanced Rangefinder
sorcerykid

Extends the Minetest API with search capabilities for entities