Persistent Effects
epCode

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

Trucraft
mt-mods

An alternative crafting system done entirely in the world.

Isogen
BuckarooBanzai

Generate isometric images from ingame builds

Chatcommand Library
LMD

Library for registering chatcommands.

Node Damage
Noodlemire

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

More Triggers
SkyBuilder1717

Adds more triggers for Awards

Minebase Core
ThatCommand

Adds APIs and new dynamic functionalities.

player attributes
fluxionary

API for defining abstract, compositional player attributes

persistent_monoids
fluxionary

player_monoids that persist between player sessions and server restarts/crashes.

Minetest HTTP API QoS control queue
SX

Improve quality of important HTTP requests by grouping requests into service quality buckets.

TPH's Doors API Redo
TPH

(INTENDED FOR DEVELOPERS) Attempts to ease and better simplify door mechanics + registration

Grenades API
LandarVargan

Adds an API for easily creating grenades

Advanced Breath and Health APIS
liteninglazer

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

CSMT Bots (Obsolete)
Logikí

Add bots to your game for training

Fbt Core
Forburnt

A set of utils for other fbt_* mods

Nametags2
Logikí

Allow objects had nametags with observers, colors and range

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.

Doclib
joe7575

A library to generate ingame manuals based on markdown files.

Keyevent
DS

Adds an event for when player presses a key.

flinv
Luke

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

Wield Events
mt-mods

Events for wield item switching

Babelfish Redo
1F616EMO

Translate chat messages into other languages

Scripted World Editor
Neuromancer

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

GetName
kevins

Adds an API and tool to generate random names for NPCs, mobs, and places.

Entity Control Function Library
Noodlemire

Adds functions to override and unregister entities.

Weapons API
Stix

Adds an API to easily register custom weapons

Cid Music Player
ekl

Plays music

Phonics Library
Neuromancer

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

MFSM Multiple Finite State Machine
Sumi

Allows for multple states to be active, while maintaining typical state machine behavior. Good for gamestate and mobs.

Antigrief
sorcerykid

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

Prop Hunt Modpack
Jo5629_

Transform into nodes and with a minigame.

Select Item
Wuzzy

Allows other mods to add a simple form to choose a single item.

Player Settings
1F616EMO

Player-specific settings

DataMiner
sorcerykid

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

Attributes Effects
SFENCE

Provides various effects over attributes of players/mobs

Advance ore API
Sere Motsatt

Create complex minerals the easy way

Hitboxes Library
SFENCE

Provide functions for specify and recognize hit areas on entities/players.

Level API
Hypernoot

A library for games to load levels defined as schematics

Smart Vector Table
Noodlemire

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

Smart Chat
Clyde

A new, lightweight, simple and modular Chatsystem