Infinity Color
Emojiminetest

Add color block that can change color freely

Template to Easily Make Fancy Voxelized Models
Noodlemire

Provides voxelmodel.obj, a model designed to be shaped by changing its texture, in order to easily create fancy voxelized models.

Landscape Shaping
cronvel

Landscape shaping tools and API

Automatic Cave Lighting
Hybrid Dog

Add two chatcommands to automatically light up dark places (e.g. caves) with lighting nodes such as torches.

Loria (alpha)
siegment

Survival in hardcore acid-alien sci-fi themed world

Minetest Game
Minetest

A lightweight and well-maintained base for modding

Falls
Just_Visiting

A Particle-based Waterfalls/Lavafalls Mod

PuzzleMap
Warr1024

Puzzle/Adventure Map System using Node Protection Mechanic

Stapled Bread
Krock

Adds the functionality to staple bread to trees

Poly Decor
PolySaken

My spin on decorative stuff.

Block Exchange
BuckarooBanzay

Cloud worldedit schema exchanger

Cellestial Game
LMD

Game of Life in three dimensions.

Nyan Cat
rubenwardy

nyan nyan nyan nyan nyan nyan nyan nyan nyan nyan nyan nyan nyan nyan nyan nyan

Smart Inventory
bell07

A fast player inventory with focus on a many number of items and big screens

Symmetool
Nigel

Symmetric building tool for MineTest.

Minetest Game Plus
Wuzzy

Adds various simple decorative blocks, doors, panes and other items, focusing on snow, ice, luxury, bamboo and more.

Cups
Wuzzy

Decorative cups.

Better Ice
TheFanne

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

Maths Colors
Chiantos

Maths with 8 Colors Nodes.

Letters Colors
Chiantos

Alphabets with 8 Colors Nodes.

WorldEdit Additions
Starbeamrainbowlabs

Extra tools and commands to extend WorldEdit. Currently has over 22 commands!

Plastic Box
Starbeamrainbowlabs

Adds a recolourable plastic box. Fork of @cheapie's version with improvements.

Dreambuilder
VanessaE

The Dreambuilder Modpack -- Everything you could want to build with, and the tools to do it.

Pixelart
Linuxdirk

This mod adds nodes for pixelart grouped in color palettes to Minetest

Creative for NodeCore
Warr1024

"Creative mode" for NodeCore: adds a rc_reative priv, /rs chat command, and "replica" nodes.

Tunnelmaker
kestral

Easily create arbitrarily curved tunnels, paths, and bridges.

Short Names for worldedit
niwla23

Adds short number aliases to some nodes like in MC

Cave Explorer
Hume2

An utility for cave exploring in creative

Colorscreens
DELTA_FORCE

Decorations that can also be used as an actual greenscreen or other colorscreen.

Bridges and handrails
Sokomine

Self-building bridge, small bridge building and handrails

Windmill
Sokomine

Rotating sails and rotor blades for classic and modern windmills.

Cottages
Sokomine

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

vexcazer
AiTechEye

Ultimate build+mine & admin tool

Incredible Maze Generator
orwell

This mod is a maze generator

Green Screen
Glory!

This mod adds "green screens" to minetest.

Itemshelf
zorman2000

Generic item shelf with 3D items on display

Floating Anchor
Starbeamrainbowlabs

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

Rainbow Source
Shara

Adds coloured water.

Map Tools
Calinou

Adds various special versions of normal blocks, tools, and other map maintainer tools.