Randomized Map-specific Ores
Piezo_

Adds two randomly created ores to each world with varying properties depending on the world's seed

summer
ulla

SUMMER

Unified Hammers
Linuxdirk

Various hammers that can be used to crush nodes.

Jukebox
LNJ

A mod that adds a jukebox with nine different discs.

Handholds
Shara

Adds a climbing pick which creates handholds in stone, desert stone, sandstones and ice nodes.

My Siding
Don

Adds lines on one side of block to make it look like siding

Claymore
Giga_M

adds a powerful sword capable of deforming the ground

Mesecons Stealthnode
Clyde

Register your own Ghoststones.

monster_api_gb
Giga_M

add an api to create bosses

Oil lamps
ademant

Create oillamps with oil from leaves (basic_materials) or create oil with seeds.

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.

Knapping Mechanics
csirolli

Adds knapping mechanics API inspired by Vintage story

morebiomes
mzs.112000

A simple mod adding a few biomes to Minetest Game

Pineapple
Neuromancer

Pineapple crop for tropical biomes

GetName
kevins

Adds an API and tool to generate random names for NPCs, mobs, and places.

New Horizons
Hi_World

Adds 4 new biomes and TONS of new blocks!

Throwable Snowball
ComputeGraphics

Adds a throwable Snowball

A Cute Flower
lml55

Adds an innocent flower with some head armor

Pillars
citorva

Add a lot of pillars for fun.

Gates (wider)
Sokomine

Wide gates for easy walking through and keeping cattle inside

Good Sneaking
zempik10

Makes the player have better sneaking.

Admin Toys
wilkgr76

Tools for admins to have fun with cheating and otherwise rule-breaking players

3D Spikes
Groin

Adds spikes to the game.

Mining Rework
JevFungus

Changes ore generation to be "nicer". More ore, in bigger clusters, much higher up. (mese blocks start at y = -100).

More Crafting Recipes
RasPiManiac

Adds more default crafting recipes

Carrying
Zeralyth

Adds carrying players around.

Decraft
iarbat

De-craft items with the decrafting workbench.

Ice Machine
cheapie

A machine that makes ice cubes.

My Appearance
Don

Change Your Appearance

BitChange
Krock

Money items for your world. You can mine bitcoins. Sort of.

Protector Blocks for Area Protection Mod
1F616EMO

Protector Block, but using the Area Protect APIs

Area-Locked Chests
1F616EMO

Locked chest that check protections

Zughy32 colored blocks
MisterE

Plain colored blocks from the Zughy 32 palette.

ColoredCement
Truemmerer

Add Cement Blocks with unifieddyes support

Better Roads
DragonWrangler

allows players to make roads with less jagged edges

Minetest Game Random Content
AirplaneMan

Adds random content with no particular theme

Node houses
MatyasP

Node houses is a mod by MatyasP that adds one-node block of houses, for crafting using items from mode default.

Better Ice
TheFanne

Modifies ice so that it melts into water when broken, and will be melted by torches

My Paint Extras
Don

Allows you to paint dirt, gravel, wood, trees and more.

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.