Loot
Byakuren

A loot framework.

NodeCore Crystals
Winter94

Adds various crystal types to Nodecore

Formspec Library
LMD

Formspec string builder & event handler callbacks

Splooshy Bombs API
ekl

API for block-flinging bombs

More Triggers
SkyBuilder1717

Adds more triggers for Awards

CSMT Bots (Obsolete)
Logikí

Add bots to your game for training

Lockout
ApolloX

Late-stage Security for Servers

NodeCore Staybs API
Winter94

Movement parameters for various 'staybs'

HUD FS
Luke

A library to make HUDs from formspecs

Gigatools
jan Epiphany

Gigatools for gigachads with gigaworkloads.

Mesecons Stealthnodes
Clyde

Register your own Ghoststones.

Doclib
joe7575

A library to generate ingame manuals based on markdown files.

Select Item
Wuzzy

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

Mapsync
BuckarooBanzai

Synchronize the ingame map with a lua-backend

Simple Models
AntumDeluge

Very simple models.

Grenades API
LandarVargan

Adds an API for easily creating grenades

Lush
rstcxk

fully featured shell interpreter

GetName
kevins

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

hand_monoid
fluxionary

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

persistent_monoids
fluxionary

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

Advanced Rangefinder
sorcerykid

Extends the Minetest API with search capabilities for entities

Common Mob Interface
Byakuren

A standard modding interface for interacting with mobs

Quest Framework
TeTpaAka

Simple framework to define quests.

Shop Dialog
1F616EMO

Formspec-based shop dialog

Isogen
BuckarooBanzai

Generate isometric images from ingame builds

Minetest test framework
BuckarooBanzai

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

monster_api_gb
GigaByte

add an api to create bosses

Archaeology
SkyBuilder1717

Adds an looting and API in archaeologing

Object UUIDs
Silver Sandstone

Assigns a persistent UUID to every object.

Smart Chat
Clyde

A new, lightweight, simple and modular Chatsystem

Vision Lib
mt-mods

Common library for PolySaken's mods.

Scripted World Editor
Neuromancer

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

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.

YAML Config File Library
snowyu

Load or Save YAML config file

Weapons API
Stix

Adds an API to easily register custom weapons

Japanese Name
Logikí

transform your player name to japaNESE (joke)

Keyevent
DS

Adds an event for when player presses a key.

Function Delayer
Hybrid Dog

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

Fbt Core
Forburnt

A set of utils for other fbt_* mods

NucleoTest
LissoBone

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