3D Spikes
BryanGruik15

Adds spikes to the game.

Atium
GenesisMT

A strange a ore with tools.

Plasterwork
Sokomine

Add colored plaster coats to nodes

Scripted World Editor
Neuromancer

API that allows you pass in scripting tables to fill a series of shapes of different sizes with different nodes

Mtg Craft Reverser
Hugues Ross

Makes crafting recipes in Minetest Game reversible

Discrete Player API
Hypernoot

A library for games which attaches players to node grid

Claymore
Giga_M

adds a powerful sword capable of deforming the ground

New Economy
Aa1a

Add 3 coins in game ( gold , steel , diamond )

Roadway
X17

Adds simple roads in 4 sizes.

Shield Tome
DarkXWolf17

Magic Shield Tome.

Super Axe
adrian-castravete

An automatically wood chopping axe.

Renewable Fireflies
mecha_moonboy

Registers an ABM on some ground blocks that spawn fireflies if certain criteria are met.

Saphire
Ryft77

Adds saphire stuff

Respawn Kit
Deadlock

Adds a "respawn-kit"-Chest. A Copy of everything you put in it, will be given to you on respawn. (With configurable Black/White-List)

Mycorners
Don

Put decorative corners on blocks.

Item Holders
Jose_ManuelS18

Adds 'Item Holders', blocks that hold your items in display, also provides a API.

Scraps
Goops

Allows to recycle metal tools

trudged
Bas080

A simple mod that converts walked-over soil nodes to dirt.

Underground Survival Lighting
Arkatron

If you like underground light in survival, use this mod, it can help that.

Spawn redo
cathaya7d4

Drop-in replacement for default/spawn for more third-party biomes

Dyeable Steel Blocks
nemokitty9

Allows Players to dye Steel for decorative blocks.

Colored Stone
Clyde

provides colored stones.

Advanced Keys
Lejo

Replaces the Skeleton Key with one with multiple chests.

Openion Yeast
Wovado

Adds Yeast and a Yeast Barrel

Debugging Console
sorcerykid

Provides an in-game HUD to easily monitor debug output

Offline Phantoms
Kimapr

Players leave "phantoms" when leaving; other players can take items from those

Better Fences (1F616EMO Redo)
1F616EMO

Allow fences to connect to all nodes

Fakery
iarbat

Adds counterfeit diamonds and other fake precious materials.

More Coral
Nathan.S

Adds coral in more colors.

Time Stone
j45

This mod adds 2 single use stones, a day stone and a night stone, the day stone turns time to sunrise and the night stone turns time to sunset.

Hero Mines
Neuromancer

Can you rescue the miner trapped at the bottom of the mine? Creates mines that are used as levels for the game H.E.R.O.

Surprise Blocks
Wuzzy

Randomly spawns surprise blocks closely about ground level.

Noriel Sylvire's Minerals Core Modpack
Noriel_Sylvire

An API for automatically registering recipes, nodes and ore generation.

TNTTag
debiankaios

A player is holding TNT which is about to explode; they must tag other players to get rid of it

Ruby Tools+
ReinPlayz

Adds ruby ore, ruby tools, and ruby blocks balanced around diamond-tier gameplay.

Ocular Networks
mt-mods

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

Colored Leaves
Otto

Adds several colors of leaves

Obdy
Sires

Adds some pretty OP tools :)

Technic Transporter
Fruitsnack

Mod that adds a technic-powered HV transporter

Kits
Pyu

An API for creating kits