Rainbow Source
Shara

Adds coloured water.

My Ladders
Don

Adds different ladders to the game

Rotting Wood
Polynium

Causes wood to slowly rot while exposed to water

Giftbox2
Wuzzy

Gift boxes that players can give to other who will then receive random items

My Torches HD
Don

Changes default torches to ones that burn out and cause damage

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.

New Biomes
Arkatron

If you like underground biomes, this thing is for you.

Hardcorebrix
drkwv

Adds durable building materials that won't break on a first dig.

Respawn Kit
Deadlock

Adds a "respawn-kit"-Chest. A Copy of everything you put in it, will be given to you on respawn. (With configurable Black/White-List)

Kill History
LMD

Adds a kill history

Snow Cones
GreenXenith

Some simple flavored snow cones.

Underground Survival Lighting
Arkatron

If you like underground light in survival, use this mod, it can help that.

Smart Renting
AiTechEye

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

Sun Flowers
Hybrid Dog

This mod generates flowers which close their heads at night.

Leather Armor
X17

Adds an armor made of leather

LWComponents Spawners
mt-mods

Register spawners for lwcomponents.

Bouncy Leaves
1F616EMO

Adds bouncy and fall damage reduce effect to leaves

Archaeology
SkyBuilder1717

Adds an looting and API in archaeologing

Magic Tech
Futuray

It adds technology based magic

Scraps
Goops

Allows to recycle metal tools

playervault
bookgirl

A personal and admin-accessible player vault.

Minetest Game Random Content
AirplaneMan

Adds random content with no particular theme

Surprise Blocks
Wuzzy

Randomly spawns surprise blocks closely about ground level.

BestLobster
AirplaneMan

The best and only lobster content mod

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.

Quartz New
alerikaisattera

Quartz and quartz glass building blocks

Kits
Pyu

An API for creating kits

Better Fences (1F616EMO Redo)
1F616EMO

Allow fences to connect to all nodes

TP Gate
AiTechEye

Teleport through the gate

trashbin
bookgirl

simple /bin and /trash item delete UI.

Unified Hammers
Linuxdirk

Various hammers that can be used to crush nodes.

Coins
Clyde

Adds 3 kind of Coins to your game

Dementia Mod
tommyaweosme

tries to simulate dementia in luanti

Sugar
X17

Adds eatable sugar made of papyrus and a sugar block

Trucraft
mt-mods

An alternative crafting system done entirely in the world.

Pink Lava
TenPlus1

Adds pink lava to certain depth of map with new mahogany obsidian block

Great British Pound
angry_hd1

Adds A Simple Currency System

My Lava Sponge
Don

Soaks up lava

Beautiful Boulders
regulus

Procedurally Generated Rocks with (pretty) Accurate Collision Boxes

Quartz Geodes
AwesomeDragon97

Extends the Geodes mod with quartz geodes.