Map Tools
Calinou

Adds various special versions of normal blocks, tools, and other map maintainer tools.

Cactus Damage
VMan_2002

Players take damage from touching cactus

Timber Frame
jbb

This mod adds timber-framed clay, bricks, cobble, stone and stone bricks to the game.

mymillwork
Don

Crown molding, columns and baseboards of different styles.

Advanced Lightsabers
ElCeejo

Relatively Advanced Lightsabers for Minetest Game.

Fireworks
CalebJ

Particle driven fireworks.

Aurora Tech
Aurailus

Unique and powerful gadgets and utilites.

My Walls
Don

Adds more wall types for walls mod.

Tardis
iarbat

Adds a functioning space-time machine from the tv show doctor who.

Industrial Mese
Linuxdirk

Craft and use industrial Mese

Badass Mech (or cool mech)
Soundwavez

An addon that adds a badass mech, or “BAM” (this is a cool mech if the name is in any way confusing).

Lighted Helmets
AntumDeluge

Light-emitting helmets.

Golden Tools
Logikí

Adds golden tools to your game

Bed Rock
DS

Adds a bed-rock, for sleeping

Claycrafter
Dragonop

Introduces the Claycrafter, which converts Compressed Dirt to Clay using Glasses of Water.

Wreckage
keym3n

A variety of tools and modifications. There are special blocks for creating, modifying, and repairing tools.

Smart Shop
AiTechEye

Smart and easy shop

Basket
1F616EMO

A portable basket for carrying large amount of items (= Shulker Boxes)

Large Bricks
AwesomeDragon97

Adds large stone bricks.

Barchairs
Clyde

Adds some Barchairs.

Stone Chests
AwesomeDragon97

Replaces the wooden chests found in dungeons with stone chests.

Copper Rails
AwesomeDragon97

Adds a new directional rail made from copper and mese crystals.

Petroglyphs
Neuromancer

Adds petroglyphs which generate randomly in desert stone walls

Spacecannon
mt-mods

Adds three scifi/space cannons with various projectile-speed and explosion-strength

Unter Null
Casimir

You start swimming in the middle of an infinite ocean. Take your time and build.

Multiple Biome Generator
chaosomnium

230 Pseudorandomly Generated Biomes, Trees, Fruits, Ores, Tools, and Liquids

Japanese_letters_modpack
ofg

Japanese hiragana blocks

Ore Deposits
Tarruvi

Adds ore deposits that can randomly spawn on stone

Spawners
SaKeL

Adds spawners for mobs, dungeons, temples and ores.

Fake unknown node
orwell

Adds a node that looks like an unknown node

Sunset Biomes
RisingLeaf

Adding two biomes and stuff around them.

Manny
ElCeejo

Adds Manny from that one Reddit post.

Condensed Cobblestone
1F616EMO

81 cobbles in one item!

Mask
GenesisMT

A simple mask you can wear.

ServerSay
Truemmerer

Write in the Chat as the server

Cloud Items
Panquesito7

Powerful cloud tools.

Warning: Non-free media.

Vehicles
D00Med

A mod that adds an api for cars, planes, and other vehicles.

Mobs Skeletons
TenPlus1

Adds three skeletons to the world.

More TNT
mittelmaessigercoder2

Adds more TNT

Magic Materials
mt-mods

A mod providing common resources and shared magic system for modpacks like gadgets_modpack, bweapons_modpack, and possibly others