ts_doors
Thomas-S

Adds doors for all kinds of wood.

Angled Walls
TumeniNodes

Angled & Sloped Walls, Angled Glass, & Angled Doors

Magma Conduits
FaceDeer

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

Pigiron
TenPlus1

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

Turret
Giga_M

adds a defensive turret

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.

Mymonths
Don

Adds days of the week and months. Also weather, including rain and snow.

Bucket lite
daret

Bucket - fork of Minetest Game mod with reduced "bucket" liquid flowing

Wet Mud
Nicu

Hydrates farmland without using water directly

Inventory Plus
TenPlus1

Simple Inventory replacement

Bricks Plus
X17

Adds different brick patterns

MTC Chisel
Can202

Add Chisel and new decorative blocks.

Astralcraft
EmptyStar

Adds shooting stars and and related items to Luanti worlds

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.

Minetest 2D
AiTechEye

Transforms the world into 2 dimensions

XBlocks
GamingAssociation39

Additional blocks for decoration/building

NextGen Bedrock
StarNinjas

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

Geodes
AwesomeDragon97

Adds amethyst geodes and an API for making custom geodes.

Irrigation
monk

Makes dry soil wet for farming

Music Player
Jose_ManuelS18

Adds a music player and discs

Brick Walls
philipmi

Adds brick walls from different types of bricks.

Transporter
mt-mods

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

Lava + Water > Stone
1F616EMO

Cool Lava into technically special stones for easier cleanup

Scaffolding
Semmett9

Adds wooden and Iron scaffolding.

Aqua Farming
Clyde

Farming under Water, now it's possible.

English Phonics
Neuromancer

English Phonics (Learn how to sound out words and to read)

Clay Bricks
AwesomeDragon97

Adds colorful clay bricks.

More Pickaxes
Koda_

Adds additional pickaxes to the game

Trails
X5Dragonfire

Allows you to make paths in grass with ground roller

Reinforced Diamond Tools
ImAlreadyHere

A sword and a pickaxe that are really strong and can be crafted with diamond blocks and sticks.

Alien Material
debiankaios

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

Metallicum
Ludus

The power of Titanium!

Morebricks
CalebJ

Adds an assortment of new bricks to build with.

Quarry Mechanics
kestral

Adds quarry mechanics to stone nodes.

Mylandscaping
Nathan.S

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

Chains
X17

Adds chains to climb or decorate

Nettles and Other Weeds
Hypernoot

Nettles spawning on junky plots

Stripped Trees
1faco

Adds Stripped tree trunks.

Axis Tools
mt-mods

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