Meseconometer
DS

Device to meassure time of mesecon signals in globalsteps

Fakery
iarbat

Adds counterfeit diamonds and other fake precious materials.

Blueprints
Luke

Allows Minetest players to easily copy+paste nodes.

Scripted World Editor
Neuromancer

API that allows you pass in scripting tables to fill a series of shapes of different sizes with different nodes

Petards
Zemtzov7

Miscellaneous pyro things

Stasis
Luke

Allows players to be put in stasis.

Dye Mixer
LRV

This mod removes the mixes of dyes and the crafting recipes that allow you to dye wool and make them craftable in the Dye Mixer.

Shortcut
Derevio

Adds the ability to set shortcuts to commands.

Kits
Pyu

An API for creating kits

Easter Eggs / Ostereier
Ineva

Adds various coloured eggs for Easter!

Keep Inv Random
Tomlaus

There is a 10% chance that your inventory will be deleted when you die, even if keep inv is on.

Dyeable Steel Blocks
nemokitty9

Allows Players to dye Steel for decorative blocks.

For Sale Sign for Unified Money
1F616EMO

Area Exchange with Unified Money System

Cave explorer tool
SFENCE

Cave explorer tool to use acoustic signals for undergound exploring.

Boulders
Neuromancer

Adds pushable boulders which spawn in dirt & stone. They tumble when they wind up on top of each other and cause damage when they fall on you.

Sun Flowers
Hybrid Dog

This mod generates flowers which close their heads at night.

golden lava
GigaByte

add golden lava

CSperson's Simple Pebbles
CSperson

A very simple mod that adds natural detritus. Doesn't do much besides that.

Mtg Craft Reverser
Hugues Ross

Makes crafting recipes in Minetest Game reversible

Telegram
neko259

Integration with telegram messenger chat

Math blocks
Giulio

Adds decorative math blocks to help in teaching

Minetest Engine Stats
mtvisitor

Get some basic stats of MT Engine. (must >= ver5.8)

Colourful Ladders
Itz-Noah

40 colourful wooden ladders

Block In Block
TumeniNodes

A silly mod to spark creativity

Openion Yeast
Wovado

Adds Yeast and a Yeast Barrel

Protector Redux
sorcerykid

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

Precise Jump
Panquesito7

Time your jumps to go higher or lower!

LWColorable
loosewheel

Various colorable decorative blocks.

Death Coords
Niden

Show Death Coordinates

Simple Dice
farfadet46

Simple dice for little games ;)

More Mese Post Lights!
1F616EMO

Add more mese post light

Random (Useful) stuff
pl608

A library that adds well... Random Stuff

Diamond Arts
Teltalila

Adds decorational fake diamond blocks.

Fareboxes and Faregates
1F616EMO

Signal-emitting fareboxes and faregates

Lavaplop
DS

Makes lava plop every now and then

Advanced Keys
Lejo

Replaces the Skeleton Key with one with multiple chests.

Nextgen Compass
StarNinjas

A compass item which points towards the world origin.

Debugging Console
sorcerykid

Provides an in-game HUD to easily monitor debug output

Blood Bane Sword
Blocky Player

OP sword for moderators. In memory of an old teacher, who had a mod similar to this on a private server.

Macro Crafting Manager
sorcerykid

Macro Crafting Manager provides a streamlined drag-and-drop interface for dividing and arranging item stacks within the craft-grid