Server Rules
CrazyladMT

Adds a rules interface.

DTools
Logikí

this gives tools for developers

Colored Stone
Clyde

provides colored stones.

Riddance
Blockhead

Hide or rid yourself of any unnecessary items with no code

Minetest Email
MrFreeman

Adds email style inboxes

3d Random Walk Blocks
chaosomnium

3d Random Walker Blocks that create interesting structures in the world

Flowing Concrete
DumbDave961

Adds flowing concrete that hardens over time. Cheap alternative to lava cooling.

My Eyes
Don

Tells you what you are looking at

Satchel
Avicennia_g

Attempt at adding a formspec-less inventory interface.

MFSM Multiple Finite State Machine
Sumi

Allows for multple states to be active, while maintaining typical state machine behavior. Good for gamestate and mobs.

golden lava
Giga_M

add golden lava

Grow Dry Grass
Silver Sandstone

Makes dry grass spread on savanna dirt.

Ehlphabet
1F616EMO

Letter blocks

Unstable Caves
M BLOC

Some stones may cave in if punched, making underground expeditions more risky.

Web chat
seckl

Makes the in-game chat accessible through a web browser.

YAML Config File Library
snowyu

Load or Save YAML config file

Luablock
LC Creations

Adds blocks that can execute lua code. Admin purposes only.

Random (Useful) stuff
pl608

A library that adds well... Random Stuff

myarcade
Don

Arcade games

Whack-a-Corn
Avicennia_g

Use vaguely familiar tools, weapons and other items to smash "eggcorns" in this frantic, Nodecore-flavoured, smash-and-dash styled minigame.

Cave Tools
kestral

A collection of tools that can be useful for exploring caves.

NC modified biome
xMajedz

NodeCore has too much grass

CSperson's Simple Pebbles
CSperson

A very simple mod that adds natural detritus. Doesn't do much besides that.

SnowSong, the EPIC Sound Pack
tacotexmex

SnowSong, the EPIC Sound Pack

Resource Crops Evolved
Jolesh

Adds new recipes for Resource Crops to make a progression through them possible

Hardcorebrix
drkwv

Adds durable building materials that won't break on a first dig.

Customiserver
1faco

Adds colored chat and custom nametags

Seasons Clock
solsword

API for getting various "season" parameters based on server time and a few customiable settings. Doesn't change gameplay; just a library that other mods can use to do seasonal things.

Dialog Redo
1F616EMO

Flexable dialog API

Fraktur (alphabet digits letters)
shaft

Adds a whole set of Fraktur type metals in the form of nodes.

Simple Emojis
Fruitsnack

Modpack that adds an emoji menu

Direction Compass
APercy

Adds a compass

Clans
AmericanHuston

A little something I've been working on. Adds clans, functions to manage clans, some new blocks, and some fun survival mechanics.

Lua Button
IlzumiZeminori

Button that executes custom lua code on rightclick

Skyhell Together
Kimapr

Put all skyhell players on one shared island (NodeCore)

Go
LMD

A game of Go

Make fighting harder by allow damage to be done to attached player (player in cart, on boat, etc)
SFENCE

Limit defensive potencial of some entities, player can be attached to.

Priority Queue
Wiz

Associate items with priorities to order them.

New Biomes
Arkatron

If you like underground biomes, this thing is for you.

morebiomes
mzs.112000

A simple mod adding a few biomes to Minetest Game