Natural Entities
nurd3

A lightweight API for spawning random entities

Babelfish Redo
1F616EMO

Translate chat messages into other languages

Minebase Core
ThatCommand

Adds APIs and new dynamic functionalities.

Compression API
The4spaceconstants

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

Persistent Effects
epCode

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

Bedrock Markup Language
sorcerykid

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

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.

node entity queue
fluxionary

a queue for spreading out the generation of node entities over multiple server steps (smartshops, signs, itemframes, etc).

Phonics Library
Neuromancer

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

Exploding Chest
Coder12

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

Bitwise Operations
sorcerykid

A pure-Lua implementation of common bit-manipulation functions

YAML Config File Library
snowyu

Load or Save YAML config file

Grenades API
LandarVargan

Adds an API for easily creating grenades

Pluggable Helpers
sorcerykid

Automated dependency management of helper functions within a distributed architecture

Player Settings
1F616EMO

Player-specific settings

SmartFS
rubenwardy

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

Extended Protection
1F616EMO

Extended interaction restriction rule

Tips
1F616EMO

Send tips to newcomers

group:any
1F616EMO

Item group applied to ALL items for crafting recipes.

YL Scheduler
AliasAlreadyTaken

Execute tasks based on utc

Promise Stuff
jwmhjwmh

A promise library

Local Time and Date Api
Bob64

This is a minetest mod that provides an api for other mods to use to get a user's preferred date and time format/time zone based on their configured settings for this mod.

Dialogs
1F616EMO

Dialogs with options

Wield Gadgets
1F616EMO

Register gadgets that can be used with a hotkey

aSignals
Sumi

Signal event bus API including SIGNAL, LISTEN and CONDITIONAL functions

Nametags2
Logikí

Allow objects had nametags with observers, colors and range

canonical name
fluxionary

api to get the proper capitalization of a name

Advanced Chat
LMD

A library for advanced chatting.

SSCSM implementation
Luke

A server-sent CSM library.

Random Messages
1F616EMO

Register random announcements

Library Mount
Panquesito7

API Framework for mounting objects.

MQTT Client Library
Tuxilio

A mod for MQTT communication

GroupLib
rudzik8

General grouping API

Luarocks Wrapper
lazerbeak12345

Securely Wrap Luarocks packages without needing trusted mods.

Smart Vector Table
Noodlemire

API that adds a way to create tables indexed by 3D Vectors.

DeltaTime
SkyBuilder1717

Adds deltatime API

Chat Games API
Impulse

An API to build chatgames like those in the chatgames

craftsystem
fluxionary

craft registration API which automatically deals w/ replacements

Table Goodies
benrob0329

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

Database Manager
AFCM

Database Manager API