Inventory Manager
Flay Krunegan

Allows you to view and edit the inventory of the players

Cube Nodes
Andrey01

Adds colorful blocks with various symbols as letters, digits, punctuation, emoji and special signs.

Face Objects
1F616EMO

Calculate the facing of objects

Obelisk - Obelisk.jar [Inspired by lizardmeninc Obelisk]
colon

shhh it's here.

Select Item
Wuzzy

Allows other mods to add a simple form to choose a single item.

NC modified biome
xMajedz

NodeCore has too much grass

NodeCore CatRealm
Warr1024

Adds a cat-themed dimension with unique ores and over-powered tools

Gizmo's Of Carbon Machinations
ThatGhzGamer

Adds various charcoal related items such as a Marvelous Hammer to Compress things, New Gear, New Diamonds, Charcoal and Willow Charcoal.

Limited Lives
Xenon

Limits the times players can die.

My Mulch
Don

Turns leaves and other items to mulch blocks

Point Teleporter
Wuzzy

Adds a short-distance teleportation device which allows the user to instantly change the position in front of a pointed node.

Envelopes
archfan7411

Write and address an envelope to another player!

Mocap
mrGoodWolf

Let's players record themselves and playback the recording (NOT VIDEO RECORDING)

NodeCore Runestones
Winter94

Play games of chance, or decorate your builds!

Instabreak
Mint

Instantly break (most) construction blocks.

Plastic Box
Starbeamrainbowlabs

Adds a recolourable plastic box. Fork of @cheapie's version with improvements.

Angle Grinder
Warr1024

Snap camera to discrete angles

World Borders
argyle

Add impenetrable barriers to the sides and bottom of the world.

filter++
rstcxk

censors swears in the player chat using the filter++ liberary

Cartographer for Repixture
Hugues Ross

Adds regional maps that you can craft and place (Repixture version)

Advanced Chat
LMD

A library for advanced chatting.

Dialog Redo
1F616EMO

Flexable dialog API

AFK Kick (AFK Indicator)
1F616EMO

Kick inactive players

Kill history hud
GigaByte

adds a death history on the screen

Fakery
iarbat

Adds counterfeit diamonds and other fake precious materials.

VPS Blocker
Lejo

Block players using vpns, proxys or other hosting services

money3
Luke

Adds /money.

Death Coords
Niden

Show Death Coordinates

Public Death Messages
Thresher

Adds toggleable and unique death messages for when a player dies

Snow Cones
GreenXenith

Some simple flavored snow cones.

Global Bulletin Boards
FaceDeer

Allows creation of global bulletin boards where players can post public messages

Repainter and rotator
MatyasP

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

Name Hider
Shara

Hiide player names

Splink Storage
Yoreni

Adds items that can store massive amounts of other items in your inventory

Sun Flowers
Hybrid Dog

This mod generates flowers which close their heads at night.

TPH's Notenodes
TPH

Provides musically charged nodes for playing music - unique instruments + options

Shop Dialog
1F616EMO

Formspec-based shop dialog

Server Cleaner
AiTechEye

Keep the server clean and simple

Tool Crafter
508linx

use any posible material craft tool in crafttable

My Stacks
Don

Changes the max number of items in each stack