Template to Easily Make Fancy Voxelized Models
Noodlemire

Provides voxelmodel.obj, a model designed to be shaped by changing its texture, in order to easily create fancy voxelized models.

ReSpec
ZenonSeth

Easy and Versatile Formspec Creation based on ConstraintLayout

Noriel Sylvire's Minerals Core Modpack
Noriel_Sylvire

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

Autobox
Just_Visiting

Auto Collision/Selection Loading Boxes

Register, Attach & Detach
mzel1982

Register glowing 3D items and custom display nodes that you can easily attach to players, place on walls, or showcase on pedestals.

Advanced Fight Library
SFENCE

Library for implementing advanced combat systems with hitbox-based damage and body part health tracking

Chatcommand Library
LMD

Library for registering chatcommands.

Ediblestuff API
lazerbeak12345

A unified API for making items, tools and armor edible. Eat armor while wearing it!

NodeCore Staybs API
Winter94

Movement parameters for various 'staybs'

Loot
Byakuren

A loot framework.

Old Wizard Font
Pyrollo

OldWizard font for Font API

Vision Lib
mt-mods

Common library for PolySaken's mods.

Babelfish Redo
1F616EMO

Translate chat messages into other languages

Item Holders
Jose_ManuelS18

Adds 'Item Holders', blocks that hold your items in display, also provides a API.

hand_monoid
fluxionary

player monoid for controlling the look and abilities of the player's hand.

Smart Chat
Clyde

A new, lightweight, simple and modular Chatsystem

Advanced Rangefinder
sorcerykid

Extends the API with search capabilities for entities

Node Damage
Noodlemire

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

Mobs Effects
SFENCE

Provides predefined attribute effects without apply logic for mobs based on Mobs Redo API, modifying movement, combat, and behavior attributes

Function Delayer
Hybrid Dog

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

rcsv
Wuzzy

RFC-4180-compliant CSV parser and writer

Pedestals Api
mzel1982

Register your own mesh pedestals.

Lockout
ApolloX

Late-stage Security for Servers

Fbt Core
Forburnt

A set of utils for other fbt_* mods

Minetest Teams
pl608

simple multiplayer team system

SmartFS
rubenwardy

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

Scripted World Editor
Neuromancer

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

Japanese Name
Logikí

transform your player name to japaNESE (joke)

VizLib
OgelGames

Visulization Library

Wield Events
mt-mods

Events for wield item switching

Library Mount
Panquesito7

API Framework for mounting objects.

Weapons API
Stix

Adds an API to easily register custom weapons

more_player_monoids
fluxionary

more player monoids

Interactive Item API
Jose_ManuelS18

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

Keyevent
DS

Adds an event for when player presses a key.

Archaeology
SkyBuilder1717

Adds an looting and API in archaeologing

Lush
rstcxk

fully featured shell interpreter

Entity Control Function Library
Noodlemire

Adds functions to override and unregister entities.

YAML Config File Library
snowyu

Load or Save YAML config file

YL Scheduler
AliasAlreadyTaken

Execute tasks based on utc