Plaster
Extex

Adds a variety of Plaster blocks for building.

Rainbow Source
Shara

Adds coloured water.

X Clay
SaKeL

Adds hardened clay.

Colored Sand
LoneSurvivr

Adds dyed variants for the default sand.

My Fences
Don

Adds nice looking fences.

Alien Tools
chaosomnium

Alien Tools Mod for Minetest - adds Alien Tool, Shield, biome, etc

Ghost Block
Blocky Player

Adds blocks that you can walk through. Build traps, hidden rooms and more!

My Stone Paths
Don

Stone paths

XConnected
Sokomine

connected nodes like xpanes, xfences, walls

Pillars
citorva

Add a lot of pillars for fun.

Abritorch
mt-mods

multicolored torches

Bunker Block
Spooks

Add blast proof concrete and its craft items.

My Workshop
Don

Workshop benches

Mypaint
Don

Provides paint brushes and buckets for other mods to use to paint their items.

My Roofs
Don

Adds mesh roofing nodes.

My Lights
Don

Lightbulbs and light fixtures.

My Paths
Don

Dirt paths.

Waterfalls
Termos

Adds water erosion, so flowing water forms somewhat more realistic looking waterfalls.

Columnia
mt-mods

Adds simple pillars and columns

Tinted Glass
1F616EMO

Colored glass

Gates (wider)
Sokomine

Wide gates for easy walking through and keeping cattle inside

Angled Stairs
TumeniNodes

Adds angled stairs to the Minetest Game.

Colored Blocks
sermow

Different colors of: stone, stone bricks, wood obsidian, and glass

My Siding
Don

Adds lines on one side of block to make it look like siding

My Appliances
Don

A basic set of appliances

My Default Fences
Don

Adds more default fences

Stairs and slabs of wool
X-DE

Stairs and slabs of wool

Color Blocks
mt-mods

Contains colored building blocks.

Better Ice
TheFanne

Modifies ice so that it melts into water when broken, and will be melted by torches

My Chisel
Don

A chisel that allows you to shape blocks.

More Snow
Sokomine

snow and wool for stairs - nicer winter landscape and snow-covered roofs

Prefab Redo
cheapie

Cheapie's version of Dan's old prefab mod, which adds pre-fabricated concrete elements: catwalks, benches, ladders, railings...

Stoneworks
TumeniNodes

Stoneworks simply adds some fun, and cool building options to Minetest.

My Wood Slopes
Don

Make slopes with wood blocks.

Colored Meselamps
devurandom

Adds colored versions of meselamps, craftable with dyes

Zughy32 colored blocks
MisterE

Plain colored blocks from the Zughy 32 palette.

My Default Glass
Don

Glass made from many default items

ColoredCement
Truemmerer

Add Cement Blocks with unifieddyes support

Blox
mt-mods

Adds lots of differently colored and textured blocks to Minetest.

My Default Lights
Don

Simple lights made from default material