Example Lua mapgen
ROllerozxa

A basic example for writing custom Lua mapgen using Perlin noise.

Cellular Automata
LMD

Simulates 3D cellular automata

Player Nametags
LMD

Adds player nametags floating above players.

Staff Channel
_Xenon

Write messages only to staff

Virt
frogTheSecond

A library for (qemu) virtual machines

balanced diet
fluxionary

api for specifying multiple dimensions to eating

Virtual Key
louisroyer

Adds virtual keys registerers.

Metadata Inspector
1F616EMO

Inspect or modify metadatas of a node

ServerHealth
PlamiumAI

Add chat & node placement monitoring to your server.

Welcome New Players
DiamondPlane

Sends a welcome message to new players

Caps Alert
ANAND

Catches chat messages with all-caps and warns / kicks players.

HTML to Luanti Hypertext
1F616EMO

Convert HTML to Luanti Hypertext for formspecs

canonical name
fluxionary

api to get the proper capitalization of a name

Speedrun Tools
SuperStarSonic

Speedrunning tools for Luanti

Upgrades
niwla23

Adds effects to players for a short time

Items Update
SFENCE

Update items in player inventory if they are alias.

filter++
rstcxk

censors swears in the player chat using the filter++ liberary

Kick Vote
rubenwardy

Adds kick voting using the vote API

Playtime Limit
Linuxdirk

Limit how long players are allowed to play

Exile Snow Fun
TPH

Adds throwable snowballs to Exile

Respawn Timer
LMD

Forces players to wait a set duration before respawning

L-System Tree Utility
Wuzzy

A form to easily spawn L-system trees, aimed at mod developers.

Go
LMD

A game of Go

Minetest Teams
pl608

simple multiplayer team system

Auth Redux Lite
sorcerykid

Robust and lightweight authentication handler for use on servers

Symmetool
Nigel

Symmetric building tool for MineTest.

Metatool
SX

Provides API to register node metadata tools along with few useful tools

Math blocks
Giulio

Adds decorative math blocks to help in teaching

Montserrat ESR Font
EmptyStar

A fresh and comfortable font remix made for Luanti

Build Mangle (Joke only)
RasPiManiac

Type /destroy to mangle a build :P

Snow for Hades Revisited
SFENCE

Add snow to Hades Revisited via snow cannon.

Smart Chat
Clyde

A new, lightweight, simple and modular Chatsystem

Node Placer Saving
1F616EMO

Put node placer data into the node

3d Random Walk Blocks
chaosomnium

3d Random Walker Blocks that create interesting structures in the world

Trucraft
mt-mods

An alternative crafting system done entirely in the world.

Alternate Gravel
soeren

the mod adds 32x32 pixels 2x alternative gravel

Complete and Total Lua-Only Inventory Rewrite
Noodlemire

Creates a completely custom inventory system, which doesn't rely at all on any of the usual UserData objects.

Sun Flowers
Hybrid Dog

This mod generates flowers which close their heads at night.

Bounty
csirolli

Place bounties on players

Nitro Digger
nri

Adds a tool that removes nodes quickly.