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.

Ambient Sounds
SimpleDoodle

Adds environment-specific ambient audio and random atmospheric sound effects

Emerald Bank (MineClonia)
N Freeman

Keep your Emeralds in a Bank, a complete economy API

Minetest Object IDs (API)
zeuner

Persistent object-IDs for developers

Node entity library
The4spaceconstants

Library for functional node entities.

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

World Data Manager Library
AntumDeluge

A library for managing data files in the world directory.

Metavectors
theFox

vectors using metatables to make coding easier

Walkover
lordfingle

A library to make it easier for developers to detect on_walk_over

Lambda
benrob0329

Atomic lambda string-parser for Lua.