digicolor
fluxionary

node whose color can be set via digilines

Color Cubes
Wuzzy

This mod contains several colorful abstract blocks for decoration.

Hexadecimal Colours
erov

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

Tac Nayn
GreenXenith

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

Pink Lava
TenPlus1

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

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.

More Mese Post Lights!
1F616EMO

Add more mese post light

Sundial
The4spaceconstants

Mostly game-independent sundial

Kotatsu Tables
Piezo_

Adds a new piece of furniture based on Japanese kotatsu tables

awuuwa's Building Blocks
awuuwa

various building blocks

Place Rotated
12Me21

Better slab/log placement

Mycorners
Don

Put decorative corners on blocks.

8Segmentdisplayblocks
unacceptium_core

8 segment digital display as blocks

Archaeology
SkyBuilder1717

Adds an looting and API in archaeologing

Better Locks
SkyBuilder1717

Adds locks and locked doors

New bricks
DimonPy

adds 119 new bricks and grinder

Floating Anchor
Starbeamrainbowlabs

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

My Mulch
Don

Turns leaves and other items to mulch blocks

Barrier
erov

Barriers with optional placement restrictions.

Simple Models
AntumDeluge

Very simple models.

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.

Fake Solids
Holly Mae

Creates fake blocks that can be walked through.

Fraktur (alphabet digits letters)
shaft

Adds a whole set of Fraktur type metals in the form of nodes.

Better Roads
DragonWrangler

allows players to make roads with less jagged edges

Minetest Emotions
ResendeTech

Adds new feelings in the form of blocks

Colored Strings
Alib234

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

Maple tree
Duvalon

Adds a maple tree placed during world generation.

Quartz New
alerikaisattera

Quartz and quartz glass building blocks

Rotting Wood
Polynium

Causes wood to slowly rot while exposed to water

Ocular Networks
mt-mods

Draw power from the world, and use it to power machines and tools.

Colored Steel
cd2

Adds colored steel blocks.

NodeCore Nature: Revised
Warr1024

Updated, fixed, enhanced edition of Winter94's NodeCore Nature

Wheitestone
soeren

deco whitestone

Flowing Concrete
DumbDave961

Adds flowing concrete that hardens over time. Cheap alternative to lava cooling.

Plasterwork
Sokomine

Add colored plaster coats to nodes

NodeCore Pottery
Winter94

Adds clay and ceramic items and nodes to NodeCore

Cube Nodes
Andrey01

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

nodeu
ulla

metal blocks stair railing coloured

Pole Scaffolding
SFENCE

Craftable pole scaffoldings. Support default game and Hades Revisited game.