Advtrains Train Rocket
AdvT. Supplemental

A model Stephenson's rocket and some barrel wagons

Geodes
AwesomeDragon97

Adds amethyst geodes and an API for making custom geodes.

NextGen Bedrock
StarNinjas

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

Magma Conduits
FaceDeer

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

C Doors
TumeniNodes

Adds centered doors and villa-style windows.

Inventory Plus
TenPlus1

Simple Inventory replacement

block physics
GigaByte

Add pieces of broken blocks when breaking them.

Aqua Farming
Clyde

Farming under Water, now it's possible.

Astralcraft
EmptyStar

Adds shooting stars and and related items to Luanti worlds

Invisibility Potion
TenPlus1

Craft a potion to make yourself invisible

Bricks Plus
X17

Adds different brick patterns

Hardcore Farming
Neuromancer

Makes farming a hardcore challenge by adding very hungry pests. Can you overcome them or will they defeat you?

Portable Chests
Bob64

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

Gems Battle
MisterE

Bedwars-like team battle minigame

Craftable Lava
MikeRedwood

Enables the crafting of lava from baked stone

Scaffolding
Semmett9

Adds wooden and Iron scaffolding.

Turret
GigaByte

adds a defensive turret

Stripped Trees
1faco

Adds Stripped tree trunks.

Modern Ish
thomasthespacefox

A collection of modern-ish odds and ends.

Minetest 2D
AiTechEye

Transforms the world into 2 dimensions

Angled Walls
TumeniNodes

Angled & Sloped Walls, Angled Glass, & Angled Doors

Chains
X17

Adds chains to climb or decorate

Wet Mud
Nicu

Hydrates farmland without using water directly

NextGen Tinted Glass
StarNinjas

Adds tinted glass that doesn't allow light to pass through

Ephesus
Horka

Added ancient architectural blocks from the Mediterranean

Nettles and Other Weeds
Hypernoot

Nettles spawning on junky plots

Climbable Trapdoors
ZenonSeth

Makes the wood and steel trapdoors climbable

Coconut Trees
Neuromancer

Adds coconut trees with edible coconuts & thatch blocks

Reinforced Diamond Tools
ImAlreadyHere

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

Dirtcraft
dayer4b

Adds automatic crafting recipes for making most kinds of dirt

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.

My Mason Hammer
Don

A hammer to make stairs, ladders and footholds

Mylandscaping
Nathan.S

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

Music Player
Jose_ManuelS18

Adds a music player and discs

Transporter
mt-mods

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

Procedural Furniture
the_raven_262

Creates furniture collections

Alien Material
debiankaios

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

Slats
v-rob

Adds decorative slats that have a lot of uses.

XP Redo
mt-mods

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

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