GroupLib
rudzik8

General grouping API

Boosts
activivan

Adds boosts, technically temporarily granted privileges.

Element Exchange
enchant97

Exchange nodes into other nodes

afk_api
fluxionary

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

Interest for Unififed Money
1F616EMO

Grow your assets over time

Random Messages
1F616EMO

Register random announcements

NodeCore Lignite
Winter94

Adds Lignite, an ore of coal. Now outdated, please use NodeCore Coal instead. See Below.

Recover from irrecoverable lag
1F616EMO

Restart the server when it lags too much

Advanced Chat
LMD

A library for advanced chatting.

Pos Marker
1F616EMO

Add markers that can set and get via chatcommand.

Items Update
SFENCE

Update items in player inventory if they are alias.

Key Combos
epCode

A lib for adding actions when certain keys are pressed in order.

Bounty
csirolli

Place bounties on players

Factions Todo List
Pixelated

Adds a todo list for the Player Factions Redo

Virt
frogTheSecond

A library for (qemu) virtual machines

Minetest Teams
pl608

simple multiplayer team system

description_monoids
fluxionary

API to allow multiple mods to make modifications to an itemstack's description

Analogue clock
j0j0n4th4n

A set of analogue clocks, one for each type of wood.

Promise Stuff
jwmhjwmh

A promise library

Protector Redux
sorcerykid

An efficient and flexible node-based protection scheme for multiplayer worlds

Bank Accounts Receipt
Can202

Receipt = TRASH

Minetest Systemd (API)
Piezo_

Debugging utility and compatibility tools for server owners and/or modpack creators

Persistent Effects
epCode

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

Autorestart
ROllerozxa

Automatically restarts the server after a certain uptime is reached.

Metadata Inspector
1F616EMO

Inspect or modify metadatas of a node

Ben's Drop Randomizer
MissingTextureMan101

A game agnostic node-drop randomizer

Roadmarks
LukeOfficial

Adds road marks.

Auth Redux
sorcerykid

Auth Redux is a drop-in replacement for the builtin authentication handler of Minetest

Stopwatch
sorcerykid

Stopwatch is Lua-based benchmarking API for Minetest developers

Inotify
ApolloX

A notification tool for players in-game.

Bitwise Operations
sorcerykid

A pure-Lua implementation of common bit-manipulation functions

Darks
_Xenon

Adds dark stuff

Colored Steel
cd2

Adds colored steel blocks.

One For All
mt-mods

bans all players if one dies

Prejoin Messages
Gregon

Notifies players when a player starts connecting to the server

Chat Visual
Itz-Noah

Need a way to distinguish between staff and players?

This should be make sense!
1F616EMO

Adds missing crafting recipes that should exist

AFK Kick (AFK Indicator)
1F616EMO

Kick inactive players

IRC Commands
ShadowNinja

Control your server from IRC

Riddance
Blockhead

Hide or rid yourself of unnecessary items from games and mods without any code