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.

NodeCore Heaters
nneett

Just a little mod I wrote to add a flameless heater.

Calendar
Wuzzy

A simple calender system to track the passage of days

Clay Bricks
AwesomeDragon97

Adds colorful clay bricks.

NodeCore Snakes
Kimapr

Sneaky snakes in NodeCore!

Sedimentology
sofar

A mod that adds realistic erosion and degradation of rocks.

Block Exchange
BuckarooBanzai

Cloud worldedit schema exchanger

Balloon Blocks
TBSHEB

Adds balloon blocks that can be placed on air.

Hook (survival tools)
AiTechEye

Survive & climbing tools

Moonflowers
karlexceed

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

Pedology
Wuzzy

Adds some different ground blocks in several wetness levels; the wetness slowly flows downward.

The Road (NC)
Winter94

This is a port of thelowerroad for NodeCore that adds a long road from -Z to +Z to the world, during world-generation.

Digicontrol
OgelGames

Adds nodes to control the flow of digiline messages

Large Slugs
jwmhjwmh

Adds node-based slug mobs to your world

Mineclone2 Underwater Challenge
NO11

A survival challenge for Mineclone2. Try to survive in a flooded world.

Swamplified
Neuromancer

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

Craft Lookup
ForbiddenJ

Provides you with a way to lookup recipes to make items.

Researcher
EmptyStar

Research items to unlock duplication

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.

Lookup Tool
Wuzzy

Adds a tool which shows help entries about almost anything which it punches.

Flamethrower
Jeija

Adds a flamethrower using particles. It makes things burn and scorches grass; does not cause damage to any object.

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

Grass String
Skivling

Adds string made from grass, which can be converted into normal string.

Flower Beds
ZenonSeth

Flower Beds for growing flowers

Server Shops
AntumDeluge

Shops intended to be set up by server administrators.

Chains
X17

Adds chains to climb or decorate

Nodecore Paint
Kimapr

Paint anything on node surfaces

Playtimes
Neuromancer

/playtimes command lets users see the playtimes & last login time for all users on the server

Climb Glove
ApolloX

A magic glove which allows you to punch nodes to travel vertically.

Treasurer
Wuzzy

A framework to define and distribute random treasures into the world.

Resistor Anthems
Astrobe

Background music (chiptune/8bit-like)

Power generators
SFENCE

Add power generators based on appliances API.

Mapserver
BuckarooBanzai

mod for the mapserver

Multitools
ChimneySwift

Adds a series of multi-purpose tools to Minetest

Ore Deposits
Tarruvi

Adds ore deposits that can randomly spawn on stone

Flag Chooser
Jo5629_

Change to a specific flag in pride_flags with this tool.

Rain Barrels and Wells
Piezo_

Replaces overpowered "water generators" with a unique water-harvesting system