Cloud Items
Panquesito7

Powerful cloud tools.

Loria (alpha)
siegment

Survival in hardcore acid-alien sci-fi themed world

You Can't Touch It Either
Avicennia_g

Simple mod adding lockable storage shelves to Nodecore.

Batch Screwdriver
niwla23

With this you can rotate all nodes in a row at once

Torch Bomb
FaceDeer

Place torches throughout your entire surroundings with a torch bomb

Stair Pick
BrandonReese

This is a specialized pick for making stairs.

Obdy
Sires

Adds some pretty OP tools :)

Trash Can
Evergreen

Adds a wooden trash can, and a dumpster to the game.

Better Screwdriver
12Me21

A more intuitive node rotation tool

Portal gun
AiTechEye

Portals and stuff

Ocular Networks
PolySaken

Draw power from the world, and use it to power machines and tools.

Melterns
IcyDiamond

Tinkers Construct in Minetest!

Mesecon Technology (MeseTec)
AiTechEye

Adds some extra and usefull mesecons stuff

Lava Stuff
Lone_Wolf

Adds lava armor, tools, and blocks

Woolen Mesh Creator
entuland

Not only wool! Miniaturizes builds and allows rebuilding them too

vexcazer
AiTechEye

Ultimate build+mine & admin tool

Floating Anchor
Starbeamrainbowlabs

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

Cement
Linuxdirk

A craftable and “makeable“ cement block.

Replacer
Sokomine

Exchange/replace nodes with one click.

Digtron
FaceDeer

Adds components for building modular tunnel boring machines

Useful Contraptions
theFox

Some useful contraptions / machines.

Abriflame
Shara

Adds coloured fire through use of fire starter tool.

Caverealms Lite
Shara

A mod for Minetest to add underground realms.