Central Message
Wuzzy

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

Smart Chat
Clyde

A new, lightweight, simple and modular Chatsystem

ReSpec
ZenonSeth

Easy and Versatile Formspec Creation based on ConstraintLayout

NodeCore Crystals
Winter94

Adds various crystal types to Nodecore

Noriel Sylvire's Minerals Core Modpack
Noriel_Sylvire

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

Unified Stamina API
TestificateMods

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

flinv
Luke

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

Player Visibility Api
erov

Easily manage player visibility in a similar way to area protection

NucleoTest
DarkXWolf17

Battle Royale-like game. Provides an API and a reference implementation. Highly radioactive. Work in progress.

Hitboxes Library
SFENCE

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

Inventory Change Callback
luarocks

Provide a global callback for handling player inventory changes.

Ediblestuff API
lazerbeak12345

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

Chatcommand Library
LMD

Library for registering chatcommands.

Function Delayer
Hybrid Dog

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

Tasks Framework
AntumDeluge

Framework for adding tasks & quests.

Players Effects
SFENCE

Provides predefined attribute effects for players ncluding movement, vision, and brain concussion effects. Apply logic is not included.

monster_api_gb
Giga_M

add an api to create bosses

Star
Wiz

A* Pathfinding algorithm implementation

Dialogs
1F616EMO

Dialogs with options

Cid Music Player
ekl

Plays music

LCD Font
Nazalassa

A simple font for font_api

Library Mount
Panquesito7

API Framework for mounting objects.

Job Control Mod
sorcerykid

A more flexible alternative to the builtin minetest.after function

persistent_monoids
fluxionary

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

afk_api
fluxionary

an API for registering events which trigger when a player goes AFK or comes back from AFK.

Grenades API
LandarVargan

Adds an API for easily creating grenades

Vision Lib
mt-mods

Common library for PolySaken's mods.

MFSM Multiple Finite State Machine
Sumi

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

NodeCore Staybs API
Winter94

Movement parameters for various 'staybs'

Archaeology
SkyBuilder1717

Adds an looting and API in archaeologing

YAML Config File Library
snowyu

Load or Save YAML config file

Seasons Clock
solsword

API for getting various "season" parameters based on server time and a few customiable settings. Doesn't change gameplay; just a library that other mods can use to do seasonal things.

Dialog Redo
1F616EMO

Flexable dialog API

Priority Queue
Wiz

Associate items with priorities to order them.

Sway
lazerbeak12345

A simple inventory that makes use of Flow forms.

Isogen
BuckarooBanzai

Generate isometric images from ingame builds

Weapons API
Stix

Adds an API to easily register custom weapons

Advanced Fight Library
SFENCE

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

Item Holders
Jose_ManuelS18

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

Antigrief
sorcerykid

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