sfinv++
swagtoy

Improves the inventory, and fixes some formspecs throughout some mods.

Handmill
Nordal

Adds handmills and threshing floor.

My Cobble
Don

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

Lapis Lazuli
LNJ

Adds lapis lazuli ore, items and blocks.

Jukebox
LNJ

A mod that adds a jukebox with nine different discs.

Valleys Mapgen
Gaël de Sailly

A map generator with valleys, rivers, mountains and many plants.

More Fuels
pl608

Adds a few new fuels for use in furnaces such as gasoline and petrolium

Shield Tome
DarkXWolf17

Magic Shield Tome.

Rock Piles
Neuromancer

Adds rock piles which generate randomly on the surface and in caves

Pillars
citorva

Add a lot of pillars for fun.

Avanti Savoia!
JetpackJackson

Adds WW1 stuff, I guess?

Phonics Library
Neuromancer

Provides a library for creating Phonics (Learn how to read) mods in different languages.

Ethereal Mosses
1F616EMO

More mosses for dirt types in Ethereal NG

Prefab Redo
cheapie

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

Advanced Weapons
LMD

Adds a variety of advanced weapons.

Zughy32 colored blocks
MisterE

Plain colored blocks from the Zughy 32 palette.

Dyed Water
erov

Dyed water for mtg

Archaeology
SkyBuilder1717

Adds an looting and API in archaeologing

Gates (wider)
Sokomine

Wide gates for easy walking through and keeping cattle inside

Statues
BryanGruik15

Adds statues of various sizes to the game.

Alien Tools
chaosomnium

Adds Alien Tool, Shield, biome, etc.

Wildflower Fields
mzs.112000

Adds a wildflower field biome to Minetest Game.

My Wood Slopes
Don

Make slopes with wood blocks.

Startest
Robot10&Scheletor

This mod adds several space stuff to the game.

Oil lamps
ademant

Create oillamps with oil from leaves (basic_materials) or create oil with seeds.

My Item Chest
Don

A chest that spawns different items

Columnia
mt-mods

Adds simple pillars and columns

Potions
X-DE

Adds a simple potion brewing system. Includes API for adding custom potions. Fork of s_potions_modpack by Stakbox

Soup
justsoup

A mod that adds a few new food items.

More Upgrade Packs
nolombic

Upgrade your upgrade packs so you can have even higher stats!

My Paint Extras
Don

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

Locked Travelnet
Sokomine

Protect travelnet stations with locks and/or passwords

Blox
mt-mods

Adds lots of differently colored and textured blocks.

My Pipes
Don

Mechanical pipes

Rainbow Source
Shara

Adds coloured water.

More Snow
Sokomine

snow and wool for stairs - nicer winter landscape and snow-covered roofs

Cloudcraft
EmptyStar

Adds tangible clouds and cloud-related items to Luanti worlds

Cube Mobs
Xanthus

Adds various cube mobs with different abilities using mobkit.

Tungsten Carbide
RemainderTheorem

Adds tools made from tungsten carbide that are more durable.

Safe TNT
1F616EMO

Apply height restrictions to TNTs