Rainbow Source
Shara

Adds coloured water.

Maple tree
Duvalon

Adds a maple tree placed during world generation.

Node roads
MatyasP

Add much of one-node roads and crossroads, road bridges and slopes

WorldEdit Wall Block
SkyBuilder1717

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

My Default Fences
Don

Adds more default fences

Glass
AntumDeluge

Enhances default glass to make it colorable.

My Hole In The Wall
Don

Decorative blocks for around gardens and more

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?

Alien Tools
chaosomnium

Adds Alien Tool, Shield, biome, etc.

TerraContent Base Library
AirplaneMan

Preferably use with it's dependents! Base Content/Library for my Minetest Game mods based on a certain 2D Sandbox Game

My Slopes
Don

MySlopes

Better Ice
TheFanne

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

My Paint Extras
Don

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

My Chisel
Don

A chisel that allows you to shape blocks.

digicolor
fluxionary

node whose color can be set via digilines

Prefab Redo
cheapie

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

Floating Anchor
Starbeamrainbowlabs

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

Ethereal: All-faces tree blocks
1F616EMO

All-faces tree block for Ethereal trees

My Pipes
Don

Mechanical pipes

Pink Lava
TenPlus1

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

Gates (wider)
Sokomine

Wide gates for easy walking through and keeping cattle inside

Steel bar blocks
atum785

adds blocks made of steel bars (xpanes)

K Color Blocks
ketwaroo

Adds specific stainable blocks for building stuff in creative mode. Comes with a rainbow wand for applying the tints.

TerraContent Crimson
AirplaneMan

Introduces the Crimson to your worlds.

Traverse
shaft

Adds cannons, pipes and tractor beams to allow players and entities to traverse the world in new ways.

ColoredCement
Truemmerer

Add Cement Blocks with unifieddyes support

Better Roads
DragonWrangler

allows players to make roads with less jagged edges

Stoneworks
TumeniNodes

Stoneworks simply adds some fun, and cool building options.

Ethereal Mosses
1F616EMO

More mosses for dirt types in Ethereal NG

My Wool
Don

More wool colors

My Paint Wood
Don

Paint wood

Japanese Signs
saradaabura

This will add signs that support Japanese to the game (Mineclonia).

Roadway
X17

Adds simple roads in 4 sizes.

My Dye
Don

More dye colors

New Horizons
Hi_World

Adds 4 new biomes and TONS of new blocks!

Pillars
citorva

Add a lot of pillars for fun.

Autobuilder
limafresh

Adds a GUI for building cubes with customizable width, height, and length.

Better Fences (1F616EMO Redo)
1F616EMO

Allow fences to connect to all nodes

awuuwa's Building Blocks
awuuwa

various building blocks

My Paths
Don

Dirt paths.