Other Worlds
TenPlus1

Adds asteroid layers and height-based skybox switches to create space environments.

Mobs Monster
TenPlus1

Adds many types of monster.

Startest
Robot10&Scheletor

This mod adds several space stuff to the game.

Ice Machine
cheapie

A machine that makes ice cubes.

Mesecons Cart Control
cheapie

Mesecons and digilines-controllable rails

Ephesus
Horka

Add Decoratives blocks and columns of Ephesus

Mobs Redo API
TenPlus1

Simple and feature rich API to quickly add mobs into your world.

XP Redo
mt-mods

Adds experience, ranks, and doors only accessible to those above a certain rank. Not actually a redo of any mod.

Grimoire
monk

A Powerful Book (runtime modifiable)

Ethereal NG
TenPlus1

Adds many new biomes, items and mechanics into the world.

Bees
TenPlus1

This mod adds bees and beehives into minetest

Always Greener
Hagatha

A nature & worldgen mod focused on improving MTG's existing natural world & biomes, rather than just adding a bunch of new ones.

Portable Chests
Bob64

Portable chests you can pick up even when there are items inside.

book_runner
fluxionary

run a command and put the output in a book

New Campfire
mt-mods

You can craft and use better campfire.

More Ladders
SkyBuilder1717

Adds more ladders and sticks!!!

Sim Trains
Nazalassa

Adds some trains, for use with Advtrains. (advtrains_livery_designer & friends not actually required)

SuperQuest
Andrii

Allows to create quests with rewards which can be passed by triggering flags placed in different places

Magic Materials
mt-mods

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

LootChests Modpack
mt-mods

Modpack adding a lot of various loot containers across the world to be found and providing an API, resources and integrations for other mods

Technic Plus Beta
mt-mods

The technic modpack extends the Minetest game with many new elements, mainly constructable machines and tools.

Nyancat's heaven (reworked)
Hybrid Dog

Adds a nyanland in the sky

Technic
RealBadAngel

Extensive machinery mod with electricity and ores.

Fumo Plushies
aSliceOfCake

silly fumo plushies to decorate your world with

In the Fog
Jo5629_

Herobrine has entered your world.

Slimes Redo
TenPlus1

Add green and lava slimes to your world.

Mobs NPC
TenPlus1

Adds simple NPC and Trader.

Ropes
FaceDeer

Adds rope boxes of various lengths and also rope ladders.

Automobiles Pack
APercy

Collection of automobiles

Cottage and Medieval Decorations
1F616EMO

Decorations that fit to medieval settlements and small cottages

Mobs Animal
TenPlus1

Adds farm animals.

Prefab Redo
cheapie

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