Simple Xray
MikeRedwood

Makes stone and desert stone see through, also works with nether mod

Scaffolding
Semmett9

Adds wooden and Iron scaffolding.

Darkage - the original plus improvements
addi

DarkAge adds several new nodes and crafts to create a pre industrial landscape.

In the Fog
Jo5629_

Herobrine has entered your world.

MobConf
zeuner

Place, remove and configure Mobs (for now: NPCs) using chatcommands

pilzmod
Phii

a spreading mushroom biome which you can spawn into the world, with its own monsters and a boss you need to slay to stop the biome's growth. Best played with bow & armor mod and after reading manual.

Craftable Lava
MikeRedwood

Enables the crafting of lava from baked stone

Zero-Effort Custom Minerals
Piezo_

A tool for registering entire materials, complete with ore generation, tool-sets and automatically generated sprites with almost no effort required

Mylandscaping
Nathan.S

Lets you put up decorative walls around your gardens, and make pretty hardscapes.

boomstick
fluxionary

a tool for testing the behavior of tnt

Minetest 2D
AiTechEye

Transforms the minetest world into 2d dimension

Geodes
AwesomeDragon97

Adds amethyst geodes and an API for making custom geodes.

XBlocks
GamingAssociation39

Additional blocks for decoration/building

Modern Ish
thomasthespacefox

A collection of modern-ish odds and ends.

MT Expansion
GamingAssociation39

An expansion for MTG

Cucina Vegana
Clyde

Adds plants and spices for a vegan kitchen

Ephesus
Horka

Add Decoratives blocks and columns of Ephesus

Upgrade Packs
Krock

Provides craftable packs to players to increase their health and breath

Coconut Trees
AwesomeDragon97

Adds coconut trees that appear on beaches

Sieves
AwesomeDragon97

Adds sieves that are used to separate (occasionally) valuable debris from sand.

More Stones
Blocky Player

Provides a variety of educational and decorative minerals and rocks.

Transporter
mt-mods

Adds a configurable technic-based transporter, with bookmarks and many options

3d ores!
Soundwavez

a slick new take on the default ores!

Hardcore Farming
Neuromancer

Makes farming a hardcore challenge by adding very hungry pests. Can you overcome them or will they defeat you?

Axis Tools
mt-mods

All the functionality of tinkers construct, but all in your inventory.

Frame
sofar

A stylish item and node frame that causes no lag/server load.

Pigiron
TenPlus1

Adds pig iron ingots which need to be crafted to make steel, also blocks and stairs.

Placeable Buckets for Catching Rainwater
Noodlemire

Allows empty buckets to be placed as nodes in order to collect rainwater.

Mob Crab (Beta)
Can202

Adds Crabs.

Oxidizing Copper
StarNinjas

This mod aims to make copper/bronze more realistic by making them slowly oxidize into a bluish/green block when exposed to water.

Clay Bricks
AwesomeDragon97

Adds colorful clay bricks.

Moonflowers
karlexceed

Adds a rare pale blue flower that glows faintly in the darkness.

Digicontrol
OgelGames

Adds nodes to control the flow of digiline messages

Swamplified
Neuromancer

This mod adds a few more nice touches to Atlante's Swamp biome mod

Chocolatestuff
lazerbeak12345

Adds edible chocolate tools and armor to Minetest.

Smoke Signals
Just_Visiting

Signal your friends, or warn your enemies!

Infinite Chest
Dragonop

Adds a configurable chest that gives an infinite amount of something.

Lava Ore Gen
Coder12

Makes the lava turn stone into ore over time.

De Nenio
Jolesh

Adds possibilities to get items normally unobtainable in skyblock through new mechanics and objects

Flower Beds
ZenonSeth

Flower Beds for growing flowers