Compression Lib
The4spaceconstants

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

VizLib
OgelGames

Visulization Library

Loot
Byakuren

A loot framework.

Mesecons Stealthnode
Clyde

Register your own Ghoststones.

Face Objects
1F616EMO

Calculate the facing of objects

Fbt Core
Forburnt

A set of utils for other fbt_* mods

Antigrief
sorcerykid

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

Journal
theFox

Do you want to add story to your game? Make your protagonist write notes into his Journal.

ReSpec
ZenonSeth

Easy and Versatile Formspec Creation based on ConstraintLayout

player attributes
fluxionary

API for defining abstract, compositional player attributes

Grenades API
LandarVargan

Adds an API for easily creating grenades

Minetest test framework
BuckarooBanzai

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

Advanced Breath and Health APIS
liteninglazer

Creates APIS to allow different players to heal health and allow different players to breathe different items.

flinv
Luke

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

Nametags2
Logikí

Allow objects had nametags with observers, colors and range

Smart Vector Table
Noodlemire

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

CSMT Bots (Obsolete)
Logikí

Add bots to your game for training

Unified Stamina API
TestificateMods

Provides a universal API for handling different mods that provide a stamina bar

Noriel Sylvire's Minerals Core Modpack
Noriel_Sylvire

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

Lush
rstcxk

fully featured shell interpreter

Keyevent
DS

Adds an event for when player presses a key.

Interactive Item API
Jose_ManuelS18

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

Timekeeper
sorcerykid

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

SmartFS
rubenwardy

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

Chatcommand Library
LMD

Library for registering chatcommands.

Scripted World Editor
Neuromancer

API that allows you pass in scripting tables to fill a series of shapes of different sizes with different nodes

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.

Node Damage
Noodlemire

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

Vision Lib
mt-mods

Common library for PolySaken's mods.

more_player_monoids
fluxionary

more player monoids

Babelfish Redo
1F616EMO

Translate chat messages into other languages

name monoid
fluxionary

flexible control of a player's nametag

Central Message
Wuzzy

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

Function Delayer
Hybrid Dog

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

More Triggers
SkyBuilder1717

Adds more triggers for Awards

Prop Hunt Modpack
Jo5629_

Transform into nodes and with a minigame.

Library Mount
Panquesito7

API Framework for mounting objects.

Position listeners library
karamel

Players' position observing library

Events API
TPH

API for creating, handling, and permitting function registration calls for custom events

Player Settings
1F616EMO

Player-specific settings