Doors without window
Tarás Lavrentiev

Adds doors and trapdoors without windows to Minetest Game

XBlocks
GamingAssociation39

Additional blocks for decoration/building

Alien Material
debiankaios

Adds new blocks, items, and tools from aliens. A new time begins.

Transporter
mt-mods

Adds a configurable technic-based transporter, with bookmarks and many options

Astralcraft
EmptyStar

Adds shooting stars and and related items to Luanti worlds

Wet Mud
Nicu

Hydrates farmland without using water directly

Quarry Mechanics
kestral

Adds quarry mechanics to stone nodes.

player flying animation
Giga_M

change the player animation when flying

Portable Chests
Bob64

Portable chests you can pick up even when there are items inside.

Gemstones
Koda_

Adds Gemstones to the game

Minetest 2D
AiTechEye

Transforms the world into 2 dimensions

Simple streetlight spawner
mt-mods

Adds various streetlight "spawners" (5m tall, supports multiple pole materials and light sources)

MTC Chisel
Can202

Add Chisel and new decorative blocks.

Mylandscaping
Nathan.S

Lets you put up decorative walls around your gardens, and make pretty hardscapes.

Underground Challenge
Hypernoot

Explore all 62 underground biomes!

Colored Blocks
sermow

Different colors of: stone, stone bricks, wood obsidian, and glass

Advtrains Train Rocket
AdvT. Supplemental

A model Stephenson's rocket and some barrel wagons

Moonflower
TenPlus1

Moon Flower, when touched by the moon, it opens up a casting light.

Real Torch
TenPlus1

Realistic torches that go out eventually and drop in water

My Scaffolding
Don

Scaffolding to help you reach high places

Turret
Giga_M

adds a defensive turret

Craftable Lava
MikeRedwood

Enables the crafting of lava from baked stone

Ephesus
Horka

Added ancient architectural blocks from the Mediterranean

More Pickaxes
Koda_

Adds additional pickaxes to the game

Bricks Plus
X17

Adds different brick patterns

Gems Battle
MisterE

Bedwars-like team battle minigame

Modern Ish
thomasthespacefox

A collection of modern-ish odds and ends.

My Default Glass
Don

Glass made from many default items

Fantasy Biomes
AirplaneMan

Fantastical Biomes for your worlds.

The Confluence
MisterE

A luamap example - a small (500x100x500) Island in the middle of the ocean with 4 rivers that run from the center to the sea.

Axis Tools
mt-mods

All the functionality of tinkers construct, but all in your inventory.

Oxidizing Copper
StarNinjas

This mod aims to make copper/bronze more realistic by making them slowly oxidize into a bluish/green block when exposed to water.

Pets
AirplaneMan

Adds awesome pets!

Infinite Chest
Dragonop

Adds a configurable chest that gives an infinite amount of something.

Procedural Furniture
the_raven_262

Creates furniture collections

More Stones
Blocky Player

Provides a variety of educational and decorative minerals and rocks.

Scaffolding
Semmett9

Adds wooden and Iron scaffolding.

Dirtcraft
dayer4b

Adds automatic crafting recipes for making most kinds of dirt

blackhole containment box
Soundwavez

cool swirvy gravitational blackhole boxes, that can be used to "ahnialate" enemy bases, or for "deforestation" aah i love abms! (extra dramatic!))

Climbable Trapdoors
ZenonSeth

Makes the wood and steel trapdoors climbable