Hidden Doors
Hamlet

Adds various wood, stone, etc.

Mineclone Build Spawner
Thunder1035

Gives build spawner for spawing builds in mineclone 2 and 5

Gloop Blocks
mt-mods

Adds decorative and functional blocks, including cement, rainbow blocks, "evil" blocks, and tools.

New Factory
theFox

Industrialization for minetest

Waterfalls
Termos

Adds water erosion, so flowing water forms somewhat more realistic looking waterfalls.

Roads
cheapie

Advanced modern road infastructure (fork)

SkyRealm for NodeCore
Warr1024

SkyBlocks inside vanilla NodeCore

Coloredwood
mt-mods

Colorize some wood!

Lapis Lazuli
LNJ

Adds lapis lazuli ore, items and blocks.

Bridges and handrails
Sokomine

Self-building bridge, small bridge building and handrails

Hand Dryer
cheapie

Decorative hand dryers

Decorations Sea
mt-mods

Adds many new types of seaweed, kelp, corals and other sea decorations, distributed across biomes

Ghost Block
Blocky Player

Adds blocks that you can walk through. Build traps, hidden rooms and more!

Deepslate
Silver Sandstone

Adds deepslate and related building materials.

Greek
GreenXenith

A large assortment of Greek architecture blocks and materials.

Angled Stairs
TumeniNodes

Adds angled stairs to the Minetest Game.

Beacons
SpaghettiToastBook

Adds craftable beacons in several different colors.

Castle Tapestries
FaceDeer

This is a mod for creating medieval tapestries, as found in castles

XBlocks
GamingAssociation39

Additional blocks for decoration/building

Plaster
Extex

Adds a variety of Plaster blocks for building.

Windmill
Sokomine

Rotating sails and rotor blades for classic and modern windmills.

Mesecons Cart Control
cheapie

Mesecons and digilines-controllable rails

Castle Shields
FaceDeer

Adds decorative wall shields

Banners
Anonymous_moose

Adds decorative banners in all colours of wool.

Arrow Boards
cheapie

Arrow boards for road construction

LTC-4000E
cheapie

Advanced traffic signal controller

Solid Color Blocks
cheapie

Colorable (via unifieddyes) solid-color blocks.

XConnected
Sokomine

connected nodes like xpanes, xfences, walls

pkarcs
TumeniNodes

Adds arched doors

Stoneworks
TumeniNodes

Stoneworks simply adds some fun, and cool building options to Minetest.

Unifiedbricks
wowiamdiamonds

This mod allows the user to re-color default bricks using Unified Dyes, and provides some pattern variations as well.

Candles 3D
mazes

Place candles in world. Add, remove or taint candles from placed nodes

Pillars
citorva

Add a lot of pillars for fun.

Super Duper Walls!
Linuxdirk

This mod adds modular flexible walls to Minetest.

Amethyst
alerikaisattera

Amethyst, basalt, calcite and related building blocks

Legendary Ore
DynamaxPikachu

Adds legendary ore and blocks

Colored Blocks
sermow

Different vibrant colors of stone, stonebrick, and wood updated with download compatability

Digibuilder
BuckarooBanzai

Build nodes with digiline commands

Letters
Amaz

Adds a letter cutting tool with letter "signlike" nodes.

Cottages for Hades Revisited
SFENCE

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