Time Travel
Red_King_Cyclops

Adds in a craftable time machine that can be used to time travel to different time periods of Earth's history.

Powered Tools
SFENCE

Tools powered by electric/combustion engine. Includes brush cutter and chainsaw.

Prefab Redo
cheapie

Cheapie's version of Dan's old prefab mod, which adds pre-fabricated concrete elements: catwalks, benches, ladders, railings...

HardcoretiMobs
SamBas700

adds hardcore mobs be careful (please enable shaders)

Aquamarine
RasPiManiac

Adds Aquamarine ore, ingots, etc.

Useful Contraptions
theFox

Some useful contraptions / machines.

sfinv++
swagtoy

Improves the inventory, and fixes some formspecs throughout some mods.

Quartz Geodes
AwesomeDragon97

Extends the Geodes mod with quartz geodes.

Mesecon Register Circuits
marek

Adds Latch and Flipflop circuits.

Lighting Rocket
lag01

For temporary lighting large areas

Castle Storage
FaceDeer

Contains storage containers one might find contained in a castle.

Blox
mt-mods

Adds lots of differently colored and textured blocks to Minetest.

doorbell
Miniontoby

A doorbell mod with sound

X Clay
SaKeL

Adds hardened clay.

World Borders
argyle

Add impenetrable barriers to the sides and bottom of the world.

Inventory Admin
Impulse

Enables admins to manage the inventory of players.

Hard Trees
octacian

Require tools to break trees and introduce beginner-tier rock tools.

Medieval (Fork)
DragonWrangler

an addon to darkage

Stacked Bricks
1F616EMO

Bricks stacked on another type of bricks

Sneeker
AntumDeluge

An explosive nuisance.

Startest
Robot10&Scheletor

This mod adds several space stuff to the game.

Alien Tools
chaosomnium

Alien Tools Mod for Minetest - adds Alien Tool, Shield, biome, etc

Ice Machine
cheapie

A machine that makes ice cubes.

Candy
Kostivar

Adds candy which you can make from candy ores.

Technic use Battery
1F616EMO

Use energy from RE batteries in the inventory

Assets_Warehousepart2
JALdMIC

Part 2 of Assets_Warehouse

Rotting Wood
Polynium

Causes wood to slowly rot while exposed to water

sfcraftguide
Duvalon

An augmented mtg_craftguide. Supports a progressive reveal system that follows doc items help.

TurtleMiner
BirgitLachner

A Mod to let Kids start programming with a turtle that can move around in the world, and dig and build what the user wants.

Cube Mobs
Xanthus

Adds various cube mobs with different abilities using mobkit.

Waste
Jolesh

Adds Waste and ways to recycle it into useful resources

Slot Machine Mini-games
mt-mods

Provides an "engine" to drive simple slot machines (includes two). Spins reels, takes in/pays out in Minegeld (Dan's currency mod), etc.

Wildflower Fields
mzs.112000

Adds a wildflower field biome to Minetest Game.

More Coral
Nathan.S

Adds coral in more colors.

Uncrafter
JoeEnderman

Adds an uncrafting table

Leather Armor
X17

Adds an armor made of leather

Throwable Snowball
ComputeGraphics

Adds a throwable Snowball

Beautiful Boulders
regulus

Procedurally Generated Rocks with (pretty) Accurate Collision Boxes

moneybag
GigaByte

add money bag

Rainbow Source
Shara

Adds coloured water.