Simple streetlight spawner
mt-mods

Adds various streetlight "spawners" (5m tall, supports multiple pole materials and light sources)

Gloop Blocks
mt-mods

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

Colored Sand
LoneSurvivr

Adds dyed variants for the default sand.

Nodes for rails
MatyasP

Some nodes for building railways, primary for Advtrains railways.

Cement
Linuxdirk

A craftable and “makeable“ cement blocks for Minetest Game

Unifiedbricks
wowiamdiamonds

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

Cottage and Medieval Decorations
1F616EMO

Decorations that fit to medieval settlements and small cottages

Stained Glass
andersje

Adds various stained glass blocks, originally by doyousketch2

Mypaint
Don

Provides paint brushes and buckets for other mods to use to paint their items.

My Roofs
Don

Adds mesh roofing nodes.

Street Water Pipestand
VerdiSchubert

Adds street water pipestand

Safe Chest
Atlante

Add a safe chest with secret password

My Castle
Don

Blocks for making castles

Stairs and slabs of wool
X-DE

Stairs and slabs of wool

My White Block
Don

a white block

My Slopes
Don

MySlopes

CreNodes
gtzi203

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

Ethereal Mosses
1F616EMO

More mosses for dirt types in Ethereal NG

Blox
mt-mods

Adds lots of differently colored and textured blocks to Minetest.

Embedded Lights
scr267

Decorative block embedded LED or Potlights

WorldEdit Wall Block
SkyBuilder1717

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

Saphire
Ryft77

Adds saphire stuff

ColoredCement
Truemmerer

Add Cement Blocks with unifieddyes support

Prefab Redo
cheapie

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

Quarry Link
gabriel1379

Enables use of Quarry Mechanics with the stone-like and resource-nodes of other mods.

Glostone Building Blocks
Wovado

Adds basic glostone-based building materials

Ethereal: All-faces tree blocks
1F616EMO

All-faces tree block for Ethereal trees

Maple tree
Duvalon

Adds a maple tree placed during world generation.

Useful Contraptions
theFox

Some useful contraptions / machines.

Protector Redux
sorcerykid

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

Obdy
Sires

Adds some pretty OP tools :)

Colored Steel
cd2

Adds colored steel blocks.

Real Elevators
Andrey01

Adds realistic elevators with smooth moving.