Simple Meters
Fruitsnack

Modpack and API that adds HUD indicators

No More Guests!
kaeza

Stops guest players (ie: Guest1234) from joining your server

Giftbox2
Wuzzy

Gift boxes that players can give to other who will then receive random items

itemshelf (Fork)
nac

Generic item shelf with 3D items on display

Place Rotated
12Me21

Better slab/log placement

Valentine's day
Luke

Adds valentine cards

DTools
Logikí

this gives tools for developers

Hitchhiker's Guide to the Galaxy
Paul Wilde

A bunch of nodes that do some things related to Hitchiker's Guide to the Galaxy

resurrection cross
Giga_M

add resurrection cross

Map Cursor
Blocky Player

Adds blocks like arrows, pointers and signals. For mapmakers who need to point players somewhere.

NodeCore Beacons
Warr1024

Long-distance navigation beacons for NodeCore

Phonograph Album: Diarmuid's Soundtracks
1F616EMO

Songs composed by Diarmuid

Interactive Item API
Jose_ManuelS18

Provides an API to make it easier to implement items' inner workings.

Phonograph album: 1F616EMO Collection
1F616EMO

Songs from 1F616EMO for phonographs

Smart Renting
AiTechEye

Smart renting: Rent out your locked things and earn money!

NodeCore Bugs
Winter94

Adds A Variety Of Bugs To NodeCore

Archaeology
SkyBuilder1717

Adds an looting and API in archaeologing

SnowLite
monk

Adds a light snow fall effect, with toggle commands

luanti_utils
Bas080

High level utilities for better mods.

Wield Gadgets
1F616EMO

Register gadgets that can be used with a hotkey

Playerfactions
mt-mods

A simple mod which allows player created factions. Not very useful on its own, it becomes very powerful when combined with other mods.

DragonEggLock
mi.sh

You can lock a Dragon Egg so it doesnt teleport away

Noriel Sylvire's Minerals Core Modpack
Noriel_Sylvire

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

Diamond Arts
Teltalila

Adds decorational fake diamond blocks.

Kill history hud
Giga_M

adds a death history on the screen

Repainter and rotator
MatyasP

Add tools for editing node param2 for different color and different rotation

Protector Redux
sorcerykid

An efficient and flexible node-based protection scheme for multiplayer worlds

Chromakey
SkyBuilder1717

Adds an chroma blocks for videos or photoshop.

Playerfactions Ext
IRI

extension of Playerfactions which adds sub-commands that allow you to teleport, give/withdraw privs and/or items to all members of a faction at the same time or for one player in a faction.

/bring
1F616EMO

A simple command that brings another user to your spot

Edutest
zeuner

Provides a GUI frontend for the educational staff.

No Floating Gravity Blocks
nneett

Registers an abm to not leave falling blocks floating

Geodesy
SFENCE

Geodesy tools and items

Euthamia
Avicennia_g

Grassy Goldenrod plant for Nodecore

Luanti Commander
IlzumiZeminori

Formspec-based file manager with text editor and image viewer

Survival
Nathan.S

Adds several survival related items.

Item Snatcher
TestificateMods

Makes the apple snatcher from Wuzzy's tutorial game available as a standalone item.

NodeCore Staybs API
Winter94

Movement parameters for various 'staybs'

elysium
Giga_M

add a elysium command

Renewable Desert Stone
Emandac

A crafting recipe to craft desert stone.