Mask
GenesisMT

A simple mask you can wear.

The Lower Road
Deadlock

Adds a long road from -Z to +Z to the world, during world-generation.

Gun pack 1 - Western weapons
fatalerror420

(currently) adds 4 unique weapons

Airship
APercy

Adds an airship to mtg

Basket
1F616EMO

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

Connected Chests
Hybrid Dog

Allows making bigger default chests.

Wilhelmines Marinara
Liil

adds water structures and coral reefs to the oceans of your world

Sunset Biomes
RisingLeaf

Adding two biomes and stuff around them.

Amethyst
alerikaisattera

Amethyst, basalt, calcite and related building blocks

Magicalities
IcyDiamond

A work-in-progress magic mod

Rocket Launcher
Zemtzov7

Rocket launcher using MT's tnt.boom function

Lighted Helmets
AntumDeluge

Light-emitting helmets.

Worldgate
EmptyStar

Randomly generated teleportation network that can teleport players between gates throughout the world

Condensed Cobblestone
1F616EMO

81 cobbles in one item!

Elepower
IcyDiamond

A powerful modpack

Living Room Furnitures
1F616EMO

Sofas, armchairs and tables

Algae
Just_Visiting

Algae mapgen addition to "Minetest Game"

Fancy Stained Glass
v-rob

Adds fancy and highly adaptable stained glass and spiked iron railing.

Coal from Trees
skbzk

Cook trees to get coal

Dense Ores
benedict424

Adds rare ores with twice the drops of their normal counterpart.

Tunnelmaker
kestral

Easily create arbitrarily curved tunnels, paths, and bridges.

Ropes
FaceDeer

Adds rope boxes of various lengths and also rope ladders.

X Obsidianmese
SaKeL

Shooting sword, woodcutting / treecapitator axe, multiple plow blocks / plant seeds hoe, path creating shovel, pickaxe can place secondary items (e.g. torches) and more...

Aurora Tech
Aurailus

Unique and powerful gadgets and utilites.

Timber Frame
jbb

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

Beds Redo
TenPlus1

beds which allows sleep, featured to (auto) skip the night.

Wilhelmines Natural Biomes
Liil

Adds 9 new biomes

Multiple Biome Generator
chaosomnium

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

Nether
Hybrid Dog

The underworld for Minetest.

Spawners
SaKeL

Adds spawners for mobs, dungeons, temples and ores.

Universal geometry realm
paramat

Create worlds of varying shapes

Rocks
Just_Visiting

Adds fun rocks to bring new life to your survival and creative creations!

Baked Clay
TenPlus1

Adds the ability to bake clay into blocks and colour them with dye.

Mese Trains
Xenon

Some more trains for the advtrains mod.

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).

Cloud Items
Panquesito7

Powerful cloud tools.

Warning: Non-free media.

Elevators
Herkules

Adds an elevator and elevatorrails.

Manny
ElCeejo

Adds Manny from that one Reddit post.

Obsidianstuff Redo
OgelGames

Adds obsidian tools and armor