Simple streetlight spawner
mt-mods

Adds various streetlight "spawners" (5m tall, supports multiple pole materials and light sources)

Signs Lib
mt-mods

Adds signs with readable text.

Homedecor
mt-mods

Feature-filled home decor modpack.

Item Drop
tacotexmex

This mod adds Minecraft like drop/pick up of items to Minetest.

Kotatsu Tables
Piezo_

Adds a new piece of furniture based on Japanese kotatsu tables

Ocular Networks
mt-mods

Draw power from the world, and use it to power machines and tools.

Plastic Box
Starbeamrainbowlabs

Adds a recolourable plastic box. Fork of @cheapie's version with improvements.

Basic Materials and items
mt-mods

Provides a small selection of "basic" materials and items that other mods should use when possible -- things like steel bars and chains, wire, plastic strips and sheets, and more.

LED Marquee
mt-mods

Provides a simple LED marquee that accepts single characters, strings, or whole screen-fulls of text, via Digilines.

Unified Dyes
mt-mods

Unified Dyes expands the standard dye set from 15 to up to 256 colors (depending on the object to be colored)

doorbell
Miniontoby

A doorbell mod with sound

Biome Lib
mt-mods

The biome spawning and management library.

More Trees!
mt-mods

Adds a whole bunch of new types of trees, some bearing fruit or similar

Petz
runs

Very cute mascots: Kittens, puppies, duckies, lambs... Take care of them!

Mese Portals
Piezo_

A futuristic multiplayer transportation system

Slimes inspired by TheManaWorld
Piezo_

Adds several types of slimes inspired by TheManaWorld

Draconis
ElCeejo

Adds terrifying Dragons and powerful equipment.

Minecart
joe7575

Minecart, the lean railway transportation automation system

vexcazer
AiTechEye

Ultimate build+mine & admin tool

New Factory
theFox

Industrialization for minetest

Time, Lag and Position HUD display
orwell

Displays some information in the bottom-right corner of the screen.

Advanced Trains
orwell

Adds good-looking, realistic trains with realistic rails.

Minetest Systemd (API)
Piezo_

Debugging utility and compatibility tools for server owners and/or modpack creators

Underground Challenge
Hume2

Explore all 62 underground biomes!

Perma Time
_Xenon

Allows players to have permanent day/night without changing the game time.

Lava Stuff
LandarVargan

Adds lava armor, tools, and blocks

Lava Ore Gen
Coder12

Makes the lava turn stone into ore over time.