Floating Anchor
Starbeamrainbowlabs

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

My Paths
Don

Dirt paths.

ColoredCement
Truemmerer

Add Cement Blocks with unifieddyes support

My Appliances
Don

A basic set of appliances

My Bricks
Don

Machine to make bricks out of common material

More Snow
Sokomine

snow and wool for stairs - nicer winter landscape and snow-covered roofs

Prefab Redo
cheapie

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

Rainbow Source
Shara

Adds coloured water.

Legendary Ore
DynamaxPikachu

Adds legendary ore and blocks

My Wood Slopes
Don

Make slopes with wood blocks.

Better Roads
DragonWrangler

allows players to make roads with less jagged edges

Maple tree
Duvalon

Adds a maple tree placed during world generation.

Blox
mt-mods

Adds lots of differently colored and textured blocks to Minetest.

My Workshop
Don

Workshop benches

Zughy32 colored blocks
MisterE

Plain colored blocks from the Zughy 32 palette.

Aquamarine
RasPiManiac

Adds Aquamarine ore, ingots, etc.

Gates (wider)
Sokomine

Wide gates for easy walking through and keeping cattle inside

X Clay
SaKeL

Adds hardened clay.

More Ladders
SkyBuilder1717

Adds more ladders and sticks!!!

My Default Lights
Don

Simple lights made from default material

Tables
AwesomeDragon97

A simple mod that adds decorative wooden tables.

Ethereal Mosses
1F616EMO

More mosses for dirt types in Ethereal NG

Stoneworks
TumeniNodes

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

Embedded Lights
scr267

Decorative block embedded LED or Potlights

Useful Contraptions
theFox

Some useful contraptions / machines.

Brick Walls
philipmi

Adds brick walls from different types of bricks.

Mycorners
Don

Put decorative corners on blocks.

My Press
Don

A press to flatten steel

Glostone Building Blocks
Wovado

Adds basic glostone-based building materials

My Mulch
Don

Turns leaves and other items to mulch blocks

My Paint Extras
Don

Allows you to paint dirt, gravel, wood, trees and more.

Ethereal: All-faces tree blocks
1F616EMO

All-faces tree block for Ethereal trees

Better Ice
TheFanne

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

Weedstone Random Mod Thing
chaosomnium

Originally meant to be a simple electronics type mod inspired by redstones, I messed around with the code after getting bored and got this weird mod, and now it's this thing. Enjoy I guess?

New Horizons
Hi_World

Adds 4 new biomes and TONS of new blocks!

My Cobble
Don

This is a simple mod that lets you turn cobble into gravel and gravel into sand

Hardcorebrix
drkwv

Adds durable building materials that won't break on a first dig.

Tac Nayn
GreenXenith

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

Parcdeco
Floatland

adds grass-like nodes that have flowers

Pink Lava
TenPlus1

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