Node roads
MatyasP

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

My Paint Wood
Don

Paint wood

Cottages for Hades Revisited
SFENCE

Build medieval cottages with furniture, window shutters and roofs, thresh your wheat.

My Ores
Don

Adds ores and minerals to Luanti

Lapis Lazuli
LNJ

Adds lapis lazuli ore, items and blocks.

ColoredCement
Truemmerer

Add Cement Blocks with unifieddyes support

Digilines Lightstone
1F616EMO

Digiline-controlled light-emitting colour blocks

Colorable banisters
MatyasP

add support for colorable banisters and banisters with repeating nodebox

My Chisel
Don

A chisel that allows you to shape blocks.

Base Craft
Jenny1611

BaseCraft adds essential, high-quality building blocks like concrete slabs and stairs to complete your constructions with consistency and style

Alien Tools
chaosomnium

Adds Alien Tool, Shield, biome, etc.

CreNodes
gtzi203

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

My Stone Paths
Don

Stone paths

Pink Lava
TenPlus1

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

K Color Blocks
ketwaroo

Adds specific stainable blocks for building stuff in creative mode. Comes with a rainbow wand for applying the tints.

Bell Chimes
sorcerykid

Adds a set of church bells that are chimed automatically at different periods.

Hexadecimal Colours
erov

Adds nodes with colour palattes for each 3 character hex value like #fff

Steel
mt-mods

Adds a range of steel materials that are recyclable.

Beds for Minetest Classic
MyNameIsKid

Beds for Minetest Classic by MyNameIsKid.

Stairs and slabs of wool
X-DE

Stairs and slabs of wool

Steel bar blocks
atum785

adds blocks made of steel bars (xpanes)

My Dye
Don

More dye colors

Better Ice
TheFanne

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

Legendary Ore
DynamaxPikachu

Adds legendary ore and blocks

My Wood Slopes
Don

Make slopes with wood blocks.

Ethereal: All-faces tree blocks
1F616EMO

All-faces tree block for Ethereal trees

Plastic Box
Starbeamrainbowlabs

Adds a recolourable plastic box. Fork of @cheapie's version with improvements.

Pizzas and cakes - pack 1
MatyasP

add some pizzas and cakes to 'pizzas'

Color Blocks
mt-mods

Contains colored building blocks.

Titanic Mod2
auto.umdenken

Addition to "Titanic Mod", adds several nodes in the style of the RMS TITANIC

My Siding
Don

Adds lines on one side of block to make it look like siding

Sundial
The4spaceconstants

Mostly game-independent sundial

Place Rotated
12Me21

Better slab/log placement

Tac Nayn
GreenXenith

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

New Horizons
Hi_World

Adds 4 new biomes and TONS of new blocks!

Color Cubes
Wuzzy

This mod contains several colorful abstract blocks for decoration.

My Default Lights
Don

Simple lights made from default material

Japanese Signs
saradaabura

This will add signs that support Japanese to the game (Mineclonia).

Instabreak
Mint

Instantly break (most) construction blocks.

Better Fences (1F616EMO Redo)
1F616EMO

Allow fences to connect to all nodes