Invisible Blocks
Truemmerer

Add invisible Blocks

Dirt Tunneler
Neuromancer

Makes dirt deeper and you can tunnel through it just by walking through it. Press spacebar/shift to tunnel upward/downward with auto placed ladders.

Plasterwork
Sokomine

Add colored plaster coats to nodes

Unstable Caves
M BLOC

Some stones may cave in if punched, making underground expeditions more risky.

Quarry Link
gabriel1379

Enables use of Quarry Mechanics with the stone-like and resource-nodes of other mods.

Livetools
AiTechEye

Craft tools which have a life of their own - they can fight, dig, or place for you

Smart Renting
AiTechEye

Smart renting: Rent out your locked things and earn money!

nodeu
ulla

metal blocks stair railing coloured

TurtleMiner
BirgitLachner

A Mod to let Kids start programming with a turtle that can move around in the world, and dig and build what the user wants.

Coins
Clyde

Adds 3 kind of Coins to your game

More Ladders
SkyBuilder1717

Adds more ladders and sticks!!!

Hbdrunk
UnchainedDevelopment

Adds intoxication effects and HUD bar to display intoxication level.

Item Holders
Jose_ManuelS18

Adds 'Item Holders', blocks that hold your items in display, also provides a API.

Uncrafter
JoeEnderman

Adds an uncrafting table

Openion Yeast
Wovado

Adds Yeast and a Yeast Barrel

Item exchange shop
Krock

Provides a simple exchange shop (currency compatible)

Staff Channel
_Xenon

Write messages only to staff

End Him Rightly
ekl

Unscrewable and throwable pommel

S Potions
Stakbox

Adds a simple potion brewing system for MTG. Includes API for adding custom potions.

Time Stone
j45

This mod adds 2 single use stones, a day stone and a night stone, the day stone turns time to sunrise and the night stone turns time to sunset.

What Did You Say??
AmericanHuston

Listens to what you say using python, and then causes things to happen in game!

My Torches
Don

Changes default torches to ones that burn out and cause damage

Offline Phantoms
Kimapr

Players leave "phantoms" when leaving; other players can take items from those

color_lib
bookgirl

adds HEX colouring

Dementia Mod
tommyaweosme

tries to simulate dementia in luanti

Purple ore
X-DE

Adds new purple ore to floating islands and caves from height 200 to 31000.

LDF Race And Parkour
lister

Race/Parkour Timers and Record Tables

Parcdeco
Floatland

adds grass-like nodes that have flowers

Realm Lamp
GenesisMT

A rainbow gradient block for decoration and with differents speeds.

Multitool Mod
thediamondlego

Adds a new tool that does the job of all the other tools(except hoe and screwdriver). Also has bouble the durability of a diamond tool!

Random (Useful) stuff
pl608

A library that adds well... Random Stuff

Cave explorer tool
SFENCE

Cave explorer tool to use acoustic signals for undergound exploring.

My Rocks
Don

Places rocks around the world

Ocular Networks
mt-mods

Draw power from the world, and use it to power machines and tools.

CSperson's Simple Pebbles
CSperson

A very simple mod that adds natural detritus. Doesn't do much besides that.

Archaeology
SkyBuilder1717

Adds an looting and API in archaeologing

doorbell
Miniontoby

A doorbell mod with sound

Throwable Snowball
ComputeGraphics

Adds a throwable Snowball

Tac Nayn
GreenXenith

Adds Nyan Cat's evil twin, Tac Nayn (and a gray-scale rainbow).

Rotting Wood
Polynium

Causes wood to slowly rot while exposed to water