Columnia
mt-mods

Adds simple pillars and columns

My Chisel
Don

A chisel that allows you to shape blocks.

Colored Sand
LoneSurvivr

Adds dyed variants for the default sand.

More Snow
Sokomine

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

Banners
Anonymous_moose

Adds decorative banners in all colours of wool.

Rainbow Source
Shara

Adds coloured water.

Glostone Building Blocks
Wovado

Adds basic glostone-based building materials

Tinted Glass
1F616EMO

Colored glass

Blox
mt-mods

Adds lots of differently colored and textured blocks.

Ethereal Mosses
1F616EMO

More mosses for dirt types in Ethereal NG

Cement
Linuxdirk

A craftable and “makeable“ cement blocks for Minetest Game

My Paths
Don

Dirt paths.

My Stone Paths
Don

Stone paths

Angled Stairs
TumeniNodes

Adds angled stairs to the Minetest Game.

Alien Tools
chaosomnium

Adds Alien Tool, Shield, biome, etc.

My Blocks
Don

Special Blocks

My Paint Extras
Don

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

Maple tree
Duvalon

Adds a maple tree placed during world generation.

Stoneworks
TumeniNodes

Stoneworks simply adds some fun, and cool building options.

New Horizons
Hi_World

Adds 4 new biomes and TONS of new blocks!

Cube Nodes
Andrey01

Adds colorful blocks with various symbols as letters, digits, punctuation, emoji and special signs.

Parcdeco
Floatland

adds grass-like nodes that have flowers

Better Ice
TheFanne

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

Ethereal: All-faces tree blocks
1F616EMO

All-faces tree block for Ethereal trees

Tac Nayn
GreenXenith

Adds Nyan Cat's evil twin, Tac Nayn (and a gray-scale rainbow).

Lapis Lazuli
LNJ

Adds lapis lazuli ore, items and blocks.

Steel bar blocks
sotha1

adds blocks made of steel bars (xpanes)

Color Blocks
mt-mods

Contains colored building blocks.

Quartz New
alerikaisattera

Quartz and quartz glass building blocks

Tile Floors
ClassicAdam

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

Better Locks
SkyBuilder1717

Adds locks and locked doors

Useful Contraptions
theFox

Some useful contraptions / machines.

Aquamarine
RasPiManiac

Adds Aquamarine ore, ingots, etc.

Better Roads
DragonWrangler

allows players to make roads with less jagged edges

Saphire
Ryft77

Adds saphire stuff

Legendary Ore
DynamaxPikachu

Adds legendary ore and blocks

More Mese Post Lights!
1F616EMO

Add more mese post light

Archaeology
SkyBuilder1717

Adds an looting and API in archaeologing

My Wood Slopes
Don

Make slopes with wood blocks.

Dyeable Steel Blocks
nemokitty9

Allows Players to dye Steel for decorative blocks.