Randomized Map-specific Ores
Piezo_

Adds two randomly created ores to each world with varying properties depending on the world's seed

Lightdead
niwla23

Spawns a lightning over the dedposition of a player when he dies

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

Minetest Systemd (API)
Piezo_

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

Mese Portals
mt-mods

A futuristic multiplayer transportation system

Rain Barrels and Wells
Piezo_

Replaces overpowered "water generators" with a unique water-harvesting system

Obdy
Sires

Adds some pretty OP tools :)

Simple Dice
farfadet46

Simple dice for little games ;)

Bubbles
niwla23

Adds bubble machines

Stamina (Fork)
TenPlus1

Adds stamina, hunger and sprinting (this fork adds drunk effects and more)

Custom Falling Nodes
TenPlus1

Tweak falling blocks to add custom controls

Builtin Item
TenPlus1

Dropped items can now be pushed by water, burn quickly in lava and have their own custom functions.

Mob Horse
TenPlus1

Adds rideable horse

Mobs NPC
TenPlus1

Adds simple NPC and Trader.

Troll
niwla23

This adds a lot of commands to troll! Its ver WIP

World Borders
argyle

Add impenetrable barriers to the sides and bottom of the world.

WiTT
MightyAlex200

Small indicator to show what the player is looking at.

Advanced Keys
Lejo

Replaces the Skeleton Key with one with multiple chests.

Nodecore Rabbits
LandarVargan

Adds rabbit holes, rabbits, and traps to the Nodecore game

Sailing
cakenggt

Live in a tropical paradise where you can sail, mine coconuts, etc.

Drinks
Nathan.S

Adds a juice press and two juice storage containers.

Gravitygun
AiTechEye

Gravitygun

World Action Script
AiTechEye

Programming+ electronics

Tubelib2
joe7575

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

Gizmo's Of Carbon Machinations
ThatGhzGamer

Adds various charcoal related items such as a Marvelous Hammer to Compress things, New Gear, New Diamonds, Charcoal and Willow Charcoal.

Underground Challenge
Hypernoot

Explore all 62 underground biomes!

Cave Explorer
Hypernoot

An utility for cave exploring in creative

Hiking Redo
Hypernoot

Complete set of hiking signs

Orecutting
bell07

Ore mining helper

Subspacewalker
bell07

Go trough walls, rock or lava using Subspace Walker tool

Frozen Energy
bell07

Use frozen energy crystals to freeze water

Carpets
bell07

Carpets

Mesecons Stealthnodes
Clyde

Register your own Ghoststones.

WhyNot?
bell07

Aims to get all existing high quality mods working together

QA-Block
bell07

A mods development / QA helper

Voxel Knights
LandarVargan

WIP Medival Fantasy Open World PvE game

MTUOTP
GamingAssociation39

A new fresh texture pack to replace the old one.

Laptop
GamingAssociation39

Adds laptops/computers to your MT world.

Laptop PC Pack 1
GamingAssociation39

This is an addition to the laptop mod.

Chat3
octacian

Makes chat on a populated server much easier to understand and keep up with.