moreblocks and stairsplus
fluxionary

adds various blocks to the game

FakeLib
OgelGames

Fake userdata library

Tubelib2
joe7575

A library for mods which need connecting tubes / pipes / cables or similar.

Skills & States API
giov4

An API for creating skills and states.

Dungeon loot chests
X-DE

Adds loot chests, a command to prevent spawning loot in the chest so you can save a schematic with a loot chest, adds 2 functions to create loot in other chests

Geodes Library
alerikaisattera

API/library for creating geodes

Guns4dWorkbench
Jo5629_

Craft guns and their components with an added workbench.

Magma Conduits
FaceDeer

Removes default mapgen lava and adds widely-spaced vertical lava "veins".

Mana
Wuzzy

Adds a mana attribute to players, can be used as energy source for magical items, etc.

Natural slopes library
karamel

Library to simply add slopes to regular nodes and include them on map generation and when changing the landscape.

Home Point
ApolloX

A /sethome and /home

markdown2formspec
Just_Visiting

A markdown to Formspec Utility

Advtrains Info Displays
Nazalassa

A library that uses font_api to render text outside Advtrains trains. Supports several displays per wagon.

Luamap
MisterE

An easy-to-use api for lua mapgens that takes the pain out of mapgen coding. Focus on mapgen logic, not on voxelmanipulation.

Regrowing Fruits
philipmi

Fruits on trees from various mods will regrow.

Geodes
AwesomeDragon97

Adds amethyst geodes and an API for making custom geodes.

Zero-Effort Custom Minerals
Piezo_

A tool for registering entire materials, complete with ore generation, tool-sets and automatically generated sprites with almost no effort required

Vote
rubenwardy

Adds an API to allow players to vote

Commodity market
FaceDeer

Provides API support for various in-world commodity markets

Named Waypoints
FaceDeer

A library for managing waypoints shown in player HUDs that can be discovered by exploration.

advtrains_attachment_offset_patch
doxygen_spammer

Workaround to mitigate Minetest bug 10101, specifically for advtrains

Calendar
Wuzzy

A simple calender system to track the passage of days

Advanced Biome Decoration API
EmptyStar

An API for creating advanced, complex biome decorations

Fireworks Redo
niwla23

Adds some better looking fireworks

In the Fog
Jo5629_

Herobrine has entered your world.

FireWorks Reimagined
DragonWrangler

A fireworks api to allow you to easily add new fireworks to your server or game.

Placeable Buckets for Catching Rainwater
Noodlemire

Allows empty buckets to be placed as nodes in order to collect rainwater.

Ranged Weapon Framework (rawf)
LandarVargan

A ranged weapon framework for Minetest

World Settings
Codiac

Supports per world settings in Luanti games and mods

TPH's Wielditem
TPH

Wielded Item Events with Prepackaged Wield3d + Wielded Light Functionality!

Power Rangers Modpack
LC Creations

Adds power rangers and an API to create your own.

Custom Falling Nodes
TenPlus1

Tweak falling blocks to add custom controls

City Block II
sorcerykid

Disables use of water and lava buckets within a designated area

Filled Bottles
EmptyStar

Filled bottles for Minetest Game and other supported mods

Dice API
Extex

API for creating physical dice

Sounds
AntumDeluge

A set of free sounds & API.

Epic
BuckarooBanzai

Enhanced Programmer for Ingame Control

Phonograph
1F616EMO

Play music from albums

Debug
LMD

Debugging on steroids

Polygraph
sorcerykid

A formspec-based charting API providing a rich set of output parameters