Potions And Magic
mathys

Add potions and their hud

Nyancat's heaven (reworked)
Hybrid Dog

Adds a nyanland in the sky

My Paint Extras
Don

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

Splooshy Bombs
ekl

Block-flinging explosive weapons (grenade and RPG)

Locked Travelnet
Sokomine

Protect travelnet stations with locks and/or passwords

My Cobble
Don

This is a simple mod that lets you turn cobble into gravel and gravel into sand

SkinChooser
mike.monkeybiter

Open skinsdb by right clicking a node

My Regen Chest
Don

Spawns items when opened and will not again for determined amount of time

Ancient Ice Stuff
Robot10&Scheletor

Adds a new powerful ore to the game

Simple Shooter
stu

First person shooter mod.

Mine
SkyBuilder1717

Adds many types of mines

Generic moon of Saturn
Red_King_Cyclops

Replaces the default earthlike setting with a generic moon of Saturn.

Prefab Redo
cheapie

Cheapie's version of Dan's old prefab mod, which adds pre-fabricated concrete elements: catwalks, benches, ladders, railings...

Signlike letters
limafresh

Adds sign-like letter nodes.

computer
Giga_M

Add a computer with basic functions.

Colored Sand
LoneSurvivr

Adds dyed variants for the default sand.

My Paint Wood
Don

Paint wood

The Nether Reactor
Darth

The Nether Reactor from MCPE, added to Luanti!

My Rocks
Don

Places rocks around the world

Rainbow Source
Shara

Adds coloured water.

Time Travel
Red_King_Cyclops

Adds in a craftable time machine that can be used to time travel to different time periods of Earth's history.

Bunker Block
Spooks

Add blast proof concrete and its craft items.

Cube Mobs
Xanthus

Adds various cube mobs with different abilities using mobkit.

Ham Radio
techniX

Radio transmitters, beacons, and receivers

My Torches
Don

Changes default torches to ones that burn out and cause damage

My Wood Slopes
Don

Make slopes with wood blocks.

Ancient Bones
karlexceed

Adds bones with loot to dungeons.

French Toast!
RasPiManiac

Adds French Toast. That's it.

Aquamarine
RasPiManiac

Adds Aquamarine ore, ingots, etc.

X-Fangs
Knightech86

This adds sund powerful suits

Blox
mt-mods

Adds lots of differently colored and textured blocks.

Dragonbone Stuff
Robot10&Scheletor

Adds dragonbone set

Wildflower Fields
mzs.112000

Adds a wildflower field biome to Minetest Game.

Advanced Weapons
LMD

Adds a variety of advanced weapons.

Randomized Map-specific Ores
Piezo_

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

Technic Recipes
alerikaisattera

Extra recipes for processing various items with Technic machines

Movement Essentials
Daniel

Adds umbrella for slow fall (hang gliders), consume mese crystal to recall (return to spawn), and throw fragments to teleport.

Real Torch
TenPlus1

Realistic torches that go out eventually and drop in water

Ethereal: All-faces tree blocks
1F616EMO

All-faces tree block for Ethereal trees

Pink Lava
TenPlus1

Adds pink lava to certain depth of map with new mahogany obsidian block