Pillars
citorva

Add a lot of pillars for fun.

Maple tree
Duvalon

Adds a maple tree placed during world generation.

Castle Storage
FaceDeer

Contains storage containers one might find contained in a castle.

Bamboo
AwesomeDragon97

Adds bamboo which generates in jungles and can be used as a crafting ingredient.

More Crafting Recipes
RasPiManiac

Adds more default crafting recipes

The Nether Reactor
Darth

The Nether Reactor from MCPE, added to Luanti!

Rainbow Source Redo
DumbDave961

Fork of Rainbow Source by Shara. Adds coloured water and buckets.

Kotatsu Tables
Piezo_

Adds a new piece of furniture based on Japanese kotatsu tables

ObsidianStuff
SoloSniper

Adds obsidian tools and armour

More Ladders
SkyBuilder1717

Adds more ladders and sticks!!!

Avanti Savoia!
JetpackJackson

Adds WW1 stuff, I guess?

Climbing Pick
lag01

Tool to climb, double jump, and do good damage to mobs.

Abriflame
mt-mods

Adds coloured fire through use of fire starter tool.

Unstable Caves
M BLOC

Some stones may cave in if punched, making underground expeditions more risky.

Alien Tools
chaosomnium

Adds Alien Tool, Shield, biome, etc.

Technic Diamonds
mt-mods

Use technic to grind and compress diamonds.

Stairs and slabs of wool
X-DE

Stairs and slabs of wool

Sun Flowers
Hybrid Dog

This mod generates flowers which close their heads at night.

Startest
Robot10&Scheletor

This mod adds several space stuff to the game.

Mesecons Stealthnode
Clyde

Register your own Ghoststones.

Zughy32 colored blocks
MisterE

Plain colored blocks from the Zughy 32 palette.

My Letters
Don

Letters of the alphabet

Little Lake
Bas080

Spawns little lakes both in caves and mountains

morebiomes
mzs.112000

A simple mod adding a few biomes to Minetest Game

Weedstone Random Mod Thing
chaosomnium

Originally meant to be a simple electronics type mod inspired by redstones, I messed around with the code after getting bored and got this weird mod, and now it's this thing. Enjoy I guess?

My Numbers
Don

Numbers and math signs

Locked Travelnet
Sokomine

Protect travelnet stations with locks and/or passwords

Legendary Armor
DynamaxPikachu

Adds legendary tools and armor

Ancient Bones
karlexceed

Adds bones with loot to dungeons.

My Mine Shaft
Don

Makes tunnels straight down that you can climb

BingFeng Maidroid
XYChen

An improved version of Maidroid, providing maid robots.

Metal Working
csirolli

Hammer and anvil for repairing tools.

sfinv++
swagtoy

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

My Appearance
Don

Change Your Appearance

Admin Toys
wilkgr76

Tools for admins to have fun with cheating and otherwise rule-breaking players

Colored Sand
LoneSurvivr

Adds dyed variants for the default sand.

crouched
Giga_M

the player crouches

Technic Recycle
DumbDave961

Recycling recipes for Technic items.

Free Stuff Generator
AiTechEye

junk has never been so coveted!

Prefab Redo
cheapie

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