Magma Conduits
FaceDeer

Removes default mapgen lava and adds widely-spaced vertical lava "veins".

Doors without window
Tarás Lavrentiev

Adds doors and trapdoors without windows to Minetest Game

Alien Material
debiankaios

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

Inventory Plus
TenPlus1

Simple Inventory replacement

C Doors
TumeniNodes

Adds centered doors and villa-style windows.

Coloredwood
mt-mods

Colorize some wood!

Stripped Trees
1faco

Adds Stripped tree trunks.

Angled Walls
TumeniNodes

Angled & Sloped Walls, Angled Glass, & Angled Doors

Abritorch
mt-mods

multicolored torches

Pigiron
TenPlus1

Adds pig iron ingots which need to be crafted to make steel, also blocks and stairs.

Geodes
AwesomeDragon97

Adds amethyst geodes and an API for making custom geodes.

Christmas Tree
ExeterDad

Adds a decorated indoor Christmas tree with wrapped gifts.

Ephesus
Horka

Added ancient architectural blocks from the Mediterranean

My Scaffolding
Don

Scaffolding to help you reach high places

More Pickaxes
Koda_

Adds additional pickaxes to the game

Coconut Trees
Neuromancer

Adds coconut trees with edible coconuts & thatch blocks

Astralcraft
EmptyStar

Adds shooting stars and and related items to Luanti worlds

Wet Mud
Nicu

Hydrates farmland without using water directly

Transporter
mt-mods

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

Turret
Giga_M

adds a defensive turret

Brick Walls
philipmi

Adds brick walls from different types of bricks.

Gems Battle
MisterE

Bedwars-like team battle minigame

Invisibility Potion
TenPlus1

Craft a potion to make yourself invisible

Modern Ish
thomasthespacefox

A collection of modern-ish odds and ends.

Portable Chests
Bob64

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

XBlocks
GamingAssociation39

Additional blocks for decoration/building

Scaffolding
Semmett9

Adds wooden and Iron scaffolding.

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.

NextGen Bedrock
StarNinjas

Adds an indestructible bedrock layer at the bottom of the world.

Zero-Effort Custom Minerals
Piezo_

A tool for registering entire materials, complete with ore generation, tool-sets and automatically generated sprites with almost no effort required

Etherium Stuff
alerikaisattera

Decorative stuff using ethereal's etherium dust

Moonflower
TenPlus1

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

Sedimentology
sofar

A mod that adds realistic erosion and degradation of rocks.

My Mason Hammer
Don

A hammer to make stairs, ladders and footholds

XP Redo
mt-mods

Adds experience, ranks, and doors only accessible to those above a certain rank. Not actually a redo of any mod.

Axis Tools
mt-mods

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

Nettles and Other Weeds
Hypernoot

Nettles spawning on junky plots

Quarry Mechanics
kestral

Adds quarry mechanics to stone nodes.

More Stones
Blocky Player

Provides a variety of educational and decorative minerals and rocks.

Craftable Lava
MikeRedwood

Enables the crafting of lava from baked stone