My Wood Slopes
Don

Make slopes with wood blocks.

Colored Meselamps
devurandom

Adds colored versions of meselamps, craftable with dyes

Zughy32 colored blocks
MisterE

Plain colored blocks from the Zughy 32 palette.

My Default Glass
Don

Glass made from many default items

ColoredCement
Truemmerer

Add Cement Blocks with unifieddyes support

Blox
mt-mods

Adds lots of differently colored and textured blocks to Minetest.

My Default Lights
Don

Simple lights made from default material

Tables
AwesomeDragon97

A simple mod that adds decorative wooden tables.

Ethereal: All-faces tree blocks
1F616EMO

All-faces tree block for Ethereal trees

My Mesh Nodes
Don

A machine that makes different shape node

Aquamarine
RasPiManiac

Adds Aquamarine ore, ingots, etc.

Floating Anchor
Starbeamrainbowlabs

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

Parcdeco
Floatland

adds grass-like nodes that have flowers

Ethereal Mosses
1F616EMO

More mosses for dirt types in Ethereal NG

My Press
Don

A press to flatten steel

My Hole In The Wall
Don

Decorative blocks for around gardens and more

My Bricks
Don

Machine to make bricks out of common material

Glostone Building Blocks
Wovado

Adds basic glostone-based building materials

New Horizons
Hi_World

Adds 4 new biomes and TONS of new blocks!

Brick Walls
philipmi

Adds brick walls from different types of bricks.

My Flooring
Don

A basic set of flooring

Pink Lava
TenPlus1

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

Archaeology
SkyBuilder1717

Adds an looting and API in archaeologing

Embedded Lights
scr267

Decorative block embedded LED or Potlights

Stack Slabs
TumeniNodes

stackable slabs for Minetest

Legendary Ore
DynamaxPikachu

Adds legendary ore and blocks

Mycorners
Don

Put decorative corners on blocks.

WorldEdit Wall Block
SkyBuilder1717

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

Tac Nayn
GreenXenith

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

My White Block
Don

a white block

More Mese Post Lights!
1F616EMO

Add more mese post light

More Ladders
SkyBuilder1717

Adds more ladders and sticks!!!

Stained Glass
andersje

Adds various stained glass blocks, originally by doyousketch2

Steel bar blocks
sotha1

adds blocks made of steel bars (xpanes)

Cube Nodes
Andrey01

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

Plasterwork
Sokomine

Add colored plaster coats to nodes

Kotatsu Tables
Piezo_

Adds a new piece of furniture based on Japanese kotatsu tables

Roadway
X17

Adds simple roads in 4 sizes.

My Parkour
Don

Nodes for making a parkour track

Better Fences (1F616EMO Redo)
1F616EMO

Allow fences to connect to all nodes