Lapis Lazuli
LNJ

Adds lapis lazuli ore, items and blocks.

CaT VoxeLibre Bleach
YCaTGameRT

Add bleach to discolor wool blocks

Cottages for Hades Revisited
SFENCE

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

My Hole In The Wall
Don

Decorative blocks for around gardens and more

Bell Chimes
sorcerykid

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

Ethereal Mosses
1F616EMO

More mosses for dirt types in Ethereal NG

Place Rotated
12Me21

Better slab/log placement

New bricks
DimonPy

adds 119 new bricks and grinder

K Color Blocks
ketwaroo

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

Prefab Redo
cheapie

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

Colored Sand
LoneSurvivr

Adds dyed variants for the default sand.

Steel bar blocks
atum785

adds blocks made of steel bars (xpanes)

digicolor
fluxionary

node whose color can be set via digilines

Barrier
erov

Barriers with optional placement restrictions.

Better Ice
TheFanne

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

New Horizons
Hi_World

Adds 4 new biomes and TONS of new blocks!

My Chisel
Don

A chisel that allows you to shape blocks.

Palisade
SFENCE

Add craftable palisades in many styles. Hades Revisited is supported.

Columnia
mt-mods

Adds simple pillars and columns

CreNodes
gtzi203

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

Japanese Signs
saradaabura

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

Base Craft
Jenny1611

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

Minetest Game Random Content
AirplaneMan

Adds random content with no particular theme

Zughy32 colored blocks
MisterE

Plain colored blocks from the Zughy 32 palette.

Simple Models
AntumDeluge

Very simple models.

Pillars
citorva

Add a lot of pillars for fun.

X Clay
SaKeL

Adds hardened clay.

Node houses
MatyasP

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

Colored Strings
Alib234

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

Quartz New
alerikaisattera

Quartz and quartz glass building blocks

Kotatsu Tables
Piezo_

Adds a new piece of furniture based on Japanese kotatsu tables

Rainbow Source
Shara

Adds coloured water.

My Paint Wood
Don

Paint wood

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.

WorldEdit Wall Block
SkyBuilder1717

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

Ethereal: All-faces tree blocks
1F616EMO

All-faces tree block for Ethereal trees

Better Roads
DragonWrangler

allows players to make roads with less jagged edges

My Siding
Don

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

Pizzas and cakes - pack 1
MatyasP

add some pizzas and cakes to 'pizzas'

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.