digicolor
fluxionary

node whose color can be set via digilines

More Snow
Sokomine

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

Plaster
Extex

Adds a variety of Plaster blocks for building.

My Paths
Don

Dirt paths.

Alien Tools
chaosomnium

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

Steel bar blocks
sotha1

adds blocks made of steel bars (xpanes)

Kotatsu Tables
Piezo_

Adds a new piece of furniture based on Japanese kotatsu tables

Blox
mt-mods

Adds lots of differently colored and textured blocks to Minetest.

Street Water Pipestand
VerdiSchubert

Adds street water pipestand

Stained Glass
andersje

Adds various stained glass blocks, originally by doyousketch2

CreNodes
gtzi203

Adds useful nodes for the creative mode, like barriers or light nodes.

More Ladders
SkyBuilder1717

Adds more ladders and sticks!!!

Aquamarine
RasPiManiac

Adds Aquamarine ore, ingots, etc.

Zughy32 colored blocks
MisterE

Plain colored blocks from the Zughy 32 palette.

Colored Blocks
sermow

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

Ethereal Mosses
1F616EMO

More mosses for dirt types in Ethereal NG

My Press
Don

A press to flatten steel

My Hole In The Wall
Don

Decorative blocks for around gardens and more

Tables
AwesomeDragon97

A simple mod that adds decorative wooden tables.

My Ores
Don

Adds ores and minerals to Luanti

Pink Lava
TenPlus1

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

Better Ice
TheFanne

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

Abritorch
mt-mods

multicolored torches

Tinted Glass
1F616EMO

Colored glass

New Horizons
Hi_World

Adds 4 new biomes and TONS of new blocks!

My Flooring
Don

A basic set of flooring

Gates (wider)
Sokomine

Wide gates for easy walking through and keeping cattle inside

X Clay
SaKeL

Adds hardened clay.

Prefab Redo
cheapie

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

My Bricks
Don

Machine to make bricks out of common material

Glostone Building Blocks
Wovado

Adds basic glostone-based building materials

My Default Lights
Don

Simple lights made from default material

Color Blocks
mt-mods

Contains colored building blocks.

Legendary Ore
DynamaxPikachu

Adds legendary ore and blocks

My Cobble
Don

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

Useful Contraptions
theFox

Some useful contraptions / machines.

ColoredCement
Truemmerer

Add Cement Blocks with unifieddyes support

Node roads
MatyasP

Add much of one-node roads and crossroads, road bridges and slopes

Tile Floors
ClassicAdam

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

My Mesh Nodes
Don

A machine that makes different shape node