Table Goodies
benrob0329

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

Babelfish Redo
1F616EMO

Translate chat messages into other languages

filter++ lib
rstcxk

provides an API for filtering text

Stent
AFCM

A formspec based arena entrance type for arena_lib

Job Control Mod
sorcerykid

A more flexible alternative to the builtin minetest.after function

Tips
1F616EMO

Send tips to newcomers

Advance ore API
Sere Motsatt

Create complex minerals the easy way

Node Damage
Noodlemire

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

Noriel Sylvire's Minerals Core Modpack
Noriel_Sylvire

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

Minetest Systemd (API)
Piezo_

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

Extended Protection
1F616EMO

Extended interaction restriction rule

Compression Lib
The4spaceconstants

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

flinv
Luke

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

More vector helpers
Hybrid Dog

Adds more vector functions.

Timekeeper
sorcerykid

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

Gettime
1F616EMO

A api to get in-game hour/minute

Metatable Metamethods Fixes + Customization
TPH

Attempts to fix issues with metamethods for Lua 5.1 as well as adding new ones + custom functions

node entity queue
fluxionary

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

Matrix Chat
joenas

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

GroupLib
rudzik8

General grouping API

YL Scheduler
AliasAlreadyTaken

Execute tasks based on utc

HTML to Luanti Hypertext
1F616EMO

Convert HTML to Luanti Hypertext for formspecs

DataMiner
sorcerykid

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

Pluggable Helpers
sorcerykid

Automated dependency management of helper functions within a distributed architecture

Database Manager
AFCM

Database Manager API

BigNum
ThePython10110

A library that adds a data type for arbitrary precision integers

Lockbox
Jo5629_

Library for cryptography/encryption functions.

YALib
hutzdog

Yet Another Library

Operating System Detector
TPH

Checks the OS of the device running the mod.

Squill
Luke

A subset of SQL. No complex installation required.

description_monoids
fluxionary

API to allow multiple mods to make modifications to an itemstack's description

Japanese Name
Logikí

transform your player name to japaNESE (joke)

Item Tracking
Impulse

Provides a API to mod developers to track which inventories items are in.

aSignals
Sumi

Signal event bus API including SIGNAL, LISTEN and CONDITIONAL functions

Advanced Chat
LMD

A library for advanced chatting.

verbana
fluxionary

verification and banning

Random API
TheFanne

Provides a simple-to-use framework for selecting random objects with probabilities

Callbacks API
ANAND

callbacks_api is a framework for registering callbacks if the callback registration function exists, else returns gracefully.

typeof
TPH

Provides functionality similar to Luau's "typeof" function

Random Messages
1F616EMO

Register random announcements