WorldEdit Wall Block
SkyBuilder1717

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

Aquamarine
RasPiManiac

Adds Aquamarine ore, ingots, etc.

Zughy32 colored blocks
MisterE

Plain colored blocks from the Zughy 32 palette.

Tables
AwesomeDragon97

A simple mod that adds decorative wooden tables.

My Ladders
Don

Adds different ladders to Luanti

Archaeology
SkyBuilder1717

Adds an looting and API in archaeologing

Rainbow Source
Shara

Adds coloured water.

My Cobble
Don

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

Roadway
X17

Adds simple roads in 4 sizes.

Useful Contraptions
theFox

Some useful contraptions / machines.

Plasterwork
Sokomine

Add colored plaster coats to nodes

My Mesh Nodes
Don

A machine that makes different shape node

My Bricks
Don

Machine to make bricks out of common material

Prefab Redo
cheapie

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

Parcdeco
Floatland

adds grass-like nodes that have flowers

More Ladders
SkyBuilder1717

Adds more ladders and sticks!!!

Pink Lava
TenPlus1

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

More Snow
Sokomine

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

Floating Anchor
Starbeamrainbowlabs

ExtraUtilities' Angel Block for Minecraft in Minetest! Place structures in mid-air with ease.

Blox
mt-mods

Adds lots of differently colored and textured blocks to Minetest.

Poly Decor
mt-mods

My spin on decorative stuff.

My Default Fences
Don

Adds more default fences

Gates (wider)
Sokomine

Wide gates for easy walking through and keeping cattle inside

More Mese Post Lights!
1F616EMO

Add more mese post light

My Flooring
Don

A basic set of flooring

Node roads
MatyasP

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

Stack Slabs
TumeniNodes

stackable slabs for Minetest

Mycorners
Don

Put decorative corners on blocks.

Legendary Ore
DynamaxPikachu

Adds legendary ore and blocks

Cube Nodes
Andrey01

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

Explosion proof obsidian
Miner34

Adds an explosion proof obsidian.

TP Gate
AiTechEye

Teleport through the gate

nodeu
ulla

metal blocks stair railing coloured

Hardcorebrix
drkwv

Adds durable building materials that won't break on a first dig.

My White Block
Don

a white block

Protector Redux
sorcerykid

An efficient and flexible node-based protection scheme for multiplayer worlds

Color Blocks
mt-mods

Contains colored building blocks.

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?

Dyeable Steel Blocks
nemokitty9

Allows Players to dye Steel for decorative blocks.

Invisible Blocks
Truemmerer

Add invisible Blocks