Safe Chest
Atlante

Add a safe chest with secret password

Alternate Gravel
soeren

the mod adds 32x32 pixels 2x alternative gravel

Invisible Blocks
Truemmerer

Add invisible Blocks

Colored Stone
Clyde

provides colored stones.

Colored Steel
cd2

Adds colored steel blocks.

My Parkour
Don

Nodes for making a parkour track

Obdy
Sires

Adds some pretty OP 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.

Ultra colors
Jan Palma

mod with super bright colors blocks

Portal gun
AiTechEye

Portals and stuff

Silver
Jackknife

adds silver ore and tools

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.

Secret
artur99

Adds hidden and secret nodes.

Real Elevators
Andrey01

Adds realistic elevators with smooth moving.