Tables
AwesomeDragon97

A simple mod that adds decorative wooden tables.

Bunker Block
Spooks

Add blast proof concrete and its craft items.

Digilines Lightstone
1F616EMO

Digiline-controlled light-emitting colour blocks

Colored Blocks
sermow

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

Mycorners
Don

Put decorative corners on blocks.

My Wood Slopes
Don

Make slopes with wood blocks.

Abritorch
mt-mods

multicolored torches

Gates (wider)
Sokomine

Wide gates for easy walking through and keeping cattle inside

Lapis Lazuli
LNJ

Adds lapis lazuli ore, items and blocks.

Archaeology
SkyBuilder1717

Adds an looting and API in archaeologing

My Slopes
Don

MySlopes

My Mason Hammer
Don

A hammer to make stairs, ladders and footholds

Stained Glass
andersje

Adds various stained glass blocks, originally by doyousketch2

Aquamarine
RasPiManiac

Adds Aquamarine ore, ingots, etc.

Columnia
mt-mods

Adds simple pillars and columns

My Chisel
Don

A chisel that allows you to shape blocks.

Glostone Building Blocks
Wovado

Adds basic glostone-based building materials

Weedstone Random Mod Thing
chaosomnium

Originally meant to be a simple electronics type mod inspired by redstones, I messed around with the code after getting bored and got this weird mod, and now it's this thing. Enjoy I guess?

Cube Nodes
Andrey01

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

My Ladders
Don

Adds different ladders to Luanti

Embedded Lights
scr267

Decorative block embedded LED or Potlights

My Default Glass
Don

Glass made from many default items

X Clay
SaKeL

Adds hardened clay.

Better Ice
TheFanne

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

Useful Contraptions
theFox

Some useful contraptions / machines.

WorldEdit Wall Block
SkyBuilder1717

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

My Mesh Nodes
Don

A machine that makes different shape node

Tac Nayn
GreenXenith

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

ColoredCement
Truemmerer

Add Cement Blocks with unifieddyes support

Node houses
MatyasP

Node houses is a mod by MatyasP that adds one-node block of houses, for crafting using items from mode default.

My Cobble
Don

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

Saphire
Ryft77

Adds saphire stuff

Prefab Redo
cheapie

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

My Default Fences
Don

Adds more default fences

Blox
mt-mods

Adds lots of differently colored and textured blocks to Minetest.

Legendary Ore
DynamaxPikachu

Adds legendary ore and blocks

More Mese Post Lights!
1F616EMO

Add more mese post light

Rainbow Source
Shara

Adds coloured water.

Tile Floors
ClassicAdam

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

Ethereal: All-faces tree blocks
1F616EMO

All-faces tree block for Ethereal trees