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

Smart Renting
AiTechEye

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

Archaeology
SkyBuilder1717

Adds an looting and API in archaeologing

Minetest Game Random Content
AirplaneMan

Adds random content with no particular theme

TP Gate
AiTechEye

Teleport through the gate

Pink Lava
TenPlus1

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

My Mulch
Don

Turns leaves and other items to mulch blocks

Drawstruct
Xenon

Draw or generate random structures

Nexus
Survivalier

Nexus Stuff and blocks

Plasterwork
Sokomine

Add colored plaster coats to nodes

Parcdeco
Floatland

adds grass-like nodes that have flowers

Tile Floors
ClassicAdam

Various colors of tile flooring in 16px and 256px res

My Cobble
Don

This is a simple mod that lets you turn cobble into gravel and gravel into sand

My Wood Slopes
Don

Make slopes with wood blocks.

Saphire
Ryft77

Adds saphire stuff

Obdy
Sires

Adds some pretty OP tools :)

My White Block
Don

a white block

My Blocks
Don

Special Blocks

Hardcorebrix
drkwv

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

Colored Stone
Clyde

provides colored stones.

plots
bookgirl

plot world system inspired by PlotSquared for Luanti

Crafty Arts
AirplaneMan

Arts and crafts supplies

Poly Decor
mt-mods

My spin on decorative stuff.

Explosion proof obsidian
Miner34

Adds an explosion proof obsidian.

Impenetris
AirplaneMan

The hardest rock on all of the worlds (except for bedrock)

Invisible Blocks
Truemmerer

Add invisible Blocks

Alternate Gravel
soeren

the mod adds 32x32 pixels 2x alternative gravel

Colored Steel
cd2

Adds colored steel blocks.

Quarry Link
gabriel1379

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

Protector Redux
sorcerykid

An efficient and flexible node-based protection scheme for multiplayer worlds

Ultra colors
Jan Palma

mod with super bright colors blocks

Better Fences
ChimneySwift

Improves the usability of fences by making fences which connect to less than 2 other fences connect to all nodes.

Silver
Jackknife

adds silver ore and tools

Stack Slabs
TumeniNodes

Stackable slabs

Secret
artur99

Adds hidden and secret nodes.

Real Elevators
Andrey01

Adds realistic elevators with smooth moving.