Invisible Wall
X17

Adds a simple invisible block

Numeracy
amalon

Adds blocks for exploring numeracy with children, which join together and change appearance.

Simple Xray
MikeRedwood

Makes stone and desert stone see through, also works with nether mod

voxelmanip experiments and remade math mandelbox mapgen
chaosomnium

Voxelmanip mapgen with strange layered zone experimental mapgens.

Presentations and Displays
lucxmangajet

Allows displaying images downloadable at runtime and adds virtual presentations utilities.

Topaz Items
WINNIE

Topaz Items for Minetest

3d Random Walk Blocks
chaosomnium

3d Random Walker Blocks that create interesting structures in the world

Ambient Light
MikeRedwood

Makes all nodes lit to a small degree!

Terraform
x2048

Adds terraforming tools to your creative toolbox (WIP)

Modern Ish
thomasthespacefox

A collection of modern-ish odds and ends.

i3
jp

A next-generation inventory

Cursor
LibraSubtilis

Enables players to turn themselves into a cursor.

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

Unknown Object
Emojiminetest

Bring spawnable unknown object to the game

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.

MathPlot
kyleclaassen

A tool for constructing mathematical curves/surfaces/solids.

Block In Block
TumeniNodes

A silly mod to spark creativity

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

Voxelizer
LMD

Turns 3D models into astonishing voxel builds.

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.

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