Prefab
mt-mods

Adds pre-fabricated concrete elements.

Stairs and slabs of wool
X-DE

Stairs and slabs of wool

Beds for Minetest Classic
MyNameIsKid

Beds for Minetest Classic by MyNameIsKid.

Kotatsu Tables
Piezo_

Adds a new piece of furniture based on Japanese kotatsu tables

Rainbow Source
Shara

Adds coloured water.

My Flooring
Don

A basic set of flooring

My Paint Wood
Don

Paint wood

WorldEdit Wall Block
SkyBuilder1717

Adds block and item for making big structures easily as possible.

Steel bar blocks
atum785

adds blocks made of steel bars (xpanes)

Better Roads
DragonWrangler

allows players to make roads with less jagged edges

Glostone Building Blocks
Wovado

Adds basic glostone-based building materials

Fire Braziers
Excalibur Zero

Fire braziers that cause flames to erupt one node above them that don't fade right away when are near flames or are punched.

ColoredCement
Truemmerer

Add Cement Blocks with unifieddyes support

Better Ice
TheFanne

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

digicolor
fluxionary

node whose color can be set via digilines

Lapis Lazuli
LNJ

Adds lapis lazuli ore, items and blocks.

Columnia
mt-mods

Adds simple pillars and columns

CaT VoxeLibre Bleach
YCaTGameRT

Add bleach to discolor wool blocks

My Chisel
Don

A chisel that allows you to shape blocks.

CreNodes
gtzi203

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

Pillars
citorva

Add a lot of pillars for fun.

Zughy32 colored blocks
MisterE

Plain colored blocks from the Zughy 32 palette.

Parcdeco
Floatland

adds grass-like nodes that have flowers

Gizmo's Of Carbon Machinations
ThatGhzGamer

Adds various charcoal related items such as a Marvelous Hammer to Compress things, New Gear, New Diamonds, Charcoal and Willow Charcoal.

8Segmentdisplayblocks
unacceptium_core

8 segment digital display as blocks

My Paint Extras
Don

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

More Curves
Just_Visiting

Adds 10 new curve shapes to game.

New bricks
DimonPy

adds 119 new bricks and grinder

Node roads
MatyasP

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

Quartz New
alerikaisattera

Quartz and quartz glass building blocks

Colored Strings
Alib234

Adds colored strings and allows to create wool from 4 strings and viceversa

Nameznik
MatyasP

Námezník / Fouling point marker, place where ends wide between tracks enough. For first, czech design.

Colored Sand
LoneSurvivr

Adds dyed variants for the default sand.

Template to Easily Make Fancy Voxelized Models
Noodlemire

Provides voxelmodel.obj, a model designed to be shaped by changing its texture, in order to easily create fancy voxelized models.

Explosion proof obsidian
Miner34

Adds an explosion proof obsidian.

Ethereal: All-faces tree blocks
1F616EMO

All-faces tree block for Ethereal trees

Minetest Emotions
ResendeTech

Adds new feelings in the form of blocks

Pizzas and cakes - pack 1
MatyasP

add some pizzas and cakes to 'pizzas'

Digilines Lightstone
1F616EMO

Digiline-controlled light-emitting colour blocks

Colorable banisters
MatyasP

add support for colorable banisters and banisters with repeating nodebox