ColorBrewer palettes for cartography
pauldpickell

8-bit ColorBrewer palettes texture pack

Colorscreens
DELTA_FORCE

Decorations that can also be used as an actual greenscreen or other colorscreen.

Better Bookmarks
jkoop

keep location bookmarks, like /sethome

ConfigFileLibrary
Tomlaus

A library that allows loading and saving data from config files.

Blueprints
Luke

Allows players to easily copy+paste nodes.

Isogen
BuckarooBanzai

Generate isometric images from ingame builds

NodeCore Chess
Warr1024

Chess pieces for NodeCore.

Fix floating sands!
1F616EMO

Avoid hanging sands and gravels

Player IP Log
simondanerd

Mod for any game which logs what users join, and records their IP address. Content saved as a txt file in the worlds directory.

Pick And Place
BuckarooBanzai

Pick and place utility

Detailed Features
Holly Mae

Lets you see detailed info on specific mods

Callbacks API
ANAND

callbacks_api is a framework for registering callbacks if the callback registration function exists, else returns gracefully.

World of Life
LMD

Simulates 3D cellular automata in your entire world. WARNING: you will lose items & buildings in your world.

Mapsync
BuckarooBanzai

Synchronize the ingame map with a lua-backend

Easy Craft
GethN7

Provides several easy recipes to make many craftable items. Fork of Easy Wool by Tim7

QR Code
Miniontoby

Create QR Codes in your world

Frames
opfromthestart

Frames from Technic since it was removed.

Autorestart
ROllerozxa

Automatically restarts the server after a certain uptime is reached.

Point Teleporter
Wuzzy

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

Server Essentials
jolethen

An essential mod for any server

Unified Stamina API
TestificateMods

Provides a universal API for handling different mods that provide a stamina bar

NodeCore Fungi
Winter94

Adds various fungi to NodeCore, in all their mycelial glory.

Kill History
LMD

Adds a kill history

Random Messages
1F616EMO

Register random announcements

Fruit Tree Framework
kronosta

Adds a way to easily add fruit trees, and the ability to have saplings for any item through /giveme

Advance ore API
Sere Motsatt

Create complex minerals the easy way

CSperson's Simple Pebbles
CSperson

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

Kick Vote
rubenwardy

Adds kick voting using the vote API

Electric Screwdriver
skiscratcher

A supplement to screwdriver, to speed up placing blocks in a repetitive way

Surprise Blocks
Wuzzy

Randomly spawns surprise blocks closely about ground level.

Aliases
Flay Krunegan

Change playername in the server.

Server Factions
Calice

Adding factions interfaces !

Voxelizer
LMD

Turns 3D models into astonishing voxel builds.

Skyhell Together
Kimapr

Put all skyhell players on one shared island (NodeCore)

FS51
Luke

Compatibility layer for formspecs

Cartographer for Repixture
Hugues Ross

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

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.

@-Chat
orwell

Adds an alternative Private Message (PM) system

City CommodityMarket
X5Dragonfire

Adds simple CommodityMarkets for city's towns etc.

Purple ore
X-DE

Adds new purple ore to floating islands and caves from height 200 to 31000.