My Cobble
Don

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

Mesecon Technology (MeseTec)
AiTechEye

Adds some extra and usefull mesecons stuff

My Roofs
Don

Adds mesh roofing nodes.

My Appliances
Don

A basic set of appliances

X Clay
SaKeL

Adds hardened clay.

Plaster
Extex

Adds a variety of Plaster blocks for building.

Waterfalls
Termos

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

Stained Glass
andersje

Adds various stained glass blocks, originally by doyousketch2

Stoneworks
TumeniNodes

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

Colored Blocks
sermow

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

Simple streetlight spawner
mt-mods

Adds various streetlight "spawners" (5m tall, supports multiple pole materials and light sources)

Pillars
citorva

Add a lot of pillars for fun.

Ghost Block
Blocky Player

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

ColoredCement
Truemmerer

Add Cement Blocks with unifieddyes support

Tables
AwesomeDragon97

A simple mod that adds decorative wooden tables.

My Chisel
Don

A chisel that allows you to shape blocks.

My Press
Don

A press to flatten steel

Angled Stairs
TumeniNodes

Adds angled stairs to the Minetest Game.

My Hole In The Wall
Don

Decorative blocks for around gardens and more

My Flooring
Don

A basic set of flooring

My White Block
Don

a white block

Colored Sand
LoneSurvivr

Adds dyed variants for the default sand.

My Paint Extras
Don

Allows you to paint dirt, gravel, wood, trees and more.

Embedded Lights
scr267

Decorative block embedded LED or Potlights

Stairs and slabs of wool
X-DE

Stairs and slabs of wool

Gates (wider)
Sokomine

Wide gates for easy walking through and keeping cattle inside

Columnia
mt-mods

Adds simple pillars and columns

Nodes for rails
MatyasP

Some nodes for building railways, primary for Advtrains railways.

Ethereal Mosses
1F616EMO

More mosses for dirt types in Ethereal NG

More Snow
Sokomine

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

Better Locks
SkyBuilder1717

Adds locks and locked doors

My Paint Wood
Don

Paint wood

Abritorch
mt-mods

multicolored torches

Blox
mt-mods

Adds lots of differently colored and textured blocks to Minetest.

My Blocks
Don

Special Blocks

Pink Lava
TenPlus1

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

Useful Contraptions
theFox

Some useful contraptions / machines.

My Dye
Don

More dye colors

My Paths
Don

Dirt paths.

Legendary Ore
DynamaxPikachu

Adds legendary ore and blocks