Floating Anchor
Starbeamrainbowlabs

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

Smart Renting
AiTechEye

Smart renting: Rent out your locked things and earn money!

Obdy
Sires

Adds some pretty OP tools :)

Invisible Blocks
Truemmerer

Add invisible Blocks

Alternate Gravel
soeren

the mod adds 32x32 pixels 2x alternative gravel

Mese Glass
Naufal7545

This mod adds a yellow glass block and a star block and several other tools.

Colored Steel
cd2

Adds colored steel blocks.

Ocular Networks
mt-mods

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

Protector Redux
sorcerykid

An efficient and flexible node-based protection scheme for multiplayer worlds

Atriumic
Firekiller

Adds a new biome, new blocks, new armor and more.

Portal gun
AiTechEye

Portals and stuff

Better Fences
ChimneySwift

A Minetest mod which improves the usability of fences by making fences which connect to less than 2 other fences connect to all nodes.

Silver
Jackknife

adds silver ore and tools

Real Elevators
Andrey01

Adds realistic elevators with smooth moving.