Lava + Water > Stone
1F616EMO

Cool Lava into technically special stones for easier cleanup

TPH's Wielditem
TPH

Wielded Item Events with Prepackaged Wield3d + Wielded Light Functionality!

CodeBlock
giga-turbo

Use lua code to build anything you want

Armor Toggle
Luffy0805

Enable and disable the visibility of the armor (3D Armor) using chat commands.

Exile Ambient Music
TPH

CC-BY 4.0 music tracks that play while you're playing Exile. Permits and will play any ogg vorbis sounds you put in the sounds folder!

Why?
ThePython10110

Adds random things to MTG and MCL.

Drying Rack
Tydragon

The Drying Rack Mod is a straightforward addition to Luanti, allowing players to transform rotten flesh into Monster Jerky, a safe and reliable alternative to eating rotten flesh.

Fireworks Redo
niwla23

Adds some better looking fireworks

Nodrown
Minisleep

Disables drowning, so you can swim and live underwater forever.

NodeCore Steampunk Engineering
Winter94

Steam Turbines, Waterwheels, & More!

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

My Mason Hammer
Don

A hammer to make stairs, ladders and footholds

Sieves
AwesomeDragon97

Adds sieves that are used to separate (occasionally) valuable debris from sand.

Progressive Eating Visuals
TPH

Shows visual changes with the progressive consumption of food using Dynamic Input-Held Eating alongside supported games

Fbt WiTT
Forburnt

WAILA-like mod (a rewrite of WiTT by MightyAlex200)

Aqua Farming
Clyde

Farming under Water, now it's possible.

potal launcher
Soundwavez

Potal Launcher

AFK Kick
GunshipPenguin

Kick players who do not move for a while

Dirtcraft
dayer4b

Adds automatic crafting recipes for making most kinds of dirt

Axis Tools
mt-mods

All the functionality of tinkers construct, but all in your inventory.

Flamethrower
Jeija

Adds a flamethrower using particles. It makes things burn and scorches grass; does not cause damage to any object.

Coolbar
luarocks

Automatic items management between inventory and hotbar.

Anti Grief Privs
livphi

Adds water, lava, and tnt privs, that allow server administrators to decide who gets access to water, lava, and tnt.

MineClone Stackpotions
ApolloX

Stackable Potions

Mistere's Adventure Map Island Creator
MisterE

A 1000x1000 canvas for your imagination

Modern Ish
thomasthespacefox

A collection of modern-ish odds and ends.

Morebricks
CalebJ

Adds an assortment of new bricks to build with.

Music Player
Jose_ManuelS18

Adds a music player and discs

Sounds
AntumDeluge

A set of free sounds & API.

Street Water Pipestand
VerdiSchubert

Adds street water pipestand

Infinite Chest
Dragonop

Adds a configurable chest that gives an infinite amount of something.

WC Strata
Winter94

Exploring the NodeCore underground has never been more colorful.

Filter
sofar

A chat filter for servers, to warn/kick/ban on swearing

Bed Notifications
Bob64

This adds chat messages that tell other players when a player leaves or enters a bed and when players can sleep.

Extended Placement
gamefreq0

Allows placing nodes below/behind the closest node to where you are looking, when you're looking at the air where said node would go.

Flyspeed
ROllerozxa

Fine grained control over your flight speed.

Clean unknown recipes
1F616EMO

Remove recipes referencing to unknown items

Scaffolding
Semmett9

Adds wooden and Iron scaffolding.

The Confluence
MisterE

A luamap example - a small (500x100x500) Island in the middle of the ocean with 4 rivers that run from the center to the sea.

MT Expansion
GamingAssociation39

An expansion for MTG