Legendary Ore
DynamaxPikachu

Adds legendary ore and blocks

Quartz Glass for Stellua
vejou

Adds quartz-glass combinations for colored glass blocks

Static compass
Sokomine

Compass block that can be placed and shows you where north is.

Mocap
mrGoodWolf

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

Function Delayer
Hybrid Dog

Allows executing functions after a delay to reduce possible lag (EDD scheduler?)

Weapons API
Stix

Adds an API to easily register custom weapons

Upgrades
niwla23

Adds effects to players for a short time

Waste
Jolesh

Adds Waste and ways to recycle it into useful resources

Node roads
MatyasP

Add much of one-node roads and crossroads, road bridges and slopes

Dais Ex Machina
Warr1024

An other-worldly platform to preserve some of your stuff across map resets for NodeCore

Crafty Arts
AirplaneMan

Arts and crafts supplies

Sausages
1F616EMO

Sausages! Yum!

obsidian
Giga_M

more uses for obsidian

Trading
ROllerozxa

Trade items with other players.

Roadway
X17

Adds simple roads in 4 sizes.

NodeCore Additional Content
Winter94

Ask and Ye Shall Recieve (Multiple Small Additions Requested in NC Documentation )

Surprise Blocks
Wuzzy

Randomly spawns surprise blocks closely about ground level.

Example Lua mapgen
ROllerozxa

A basic example for writing custom Lua mapgen using Perlin noise.

Advanced Rangefinder
sorcerykid

Extends the API with search capabilities for entities

L-System Tree Utility
Wuzzy

A form to easily spawn L-system trees, aimed at mod developers.

World Borders
argyle

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

Respawn Kit
Deadlock

Adds a "respawn-kit"-Chest. A Copy of everything you put in it, will be given to you on respawn. (With configurable Black/White-List)

My Wood Slopes
Don

Make slopes with wood blocks.

Slot Machine Mini-games
mt-mods

Provides an "engine" to drive simple slot machines (includes two). Spins reels, takes in/pays out in Minegeld (Dan's currency mod), etc.

Noriel Sylvire's Minerals Core Modpack
Noriel_Sylvire

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

QuikBild
MisterE

The artist dashes to build their word! The others race to guess the word first!

Geodesy
SFENCE

Geodesy tools and items

timehud
bookgirl

Minimal HUD timer API

Fake Player
MineWorlds

this adds special fake players with heavy customizable features, needs fake_master priv to use commands and "the controller"

afk_api
fluxionary

an API for registering events which trigger when a player goes AFK or comes back from AFK.

Teleport Anchor
1F616EMO

Fixed teleport destinations for survival players or adventure map makers

Explosion proof obsidian
Miner34

Adds an explosion proof obsidian.

the man of the fog
Giga_M

add the man of the fog

Kill history hud
Giga_M

adds a death history on the screen

This should be make sense!
1F616EMO

Adds missing crafting recipes that should exist

WiTT
MightyAlex200

Small indicator to show what the player is looking at.

Toggle Privs
bugbug11

Allows players to enable and disable privileges granted to them

PvP Control
mike.monkeybiter

Allow players to set their own ability to hurt or be hurt in PvP, by chat command or by pressure pads. Nametag colour changes to reflect status.

Enchantments Workbench
bgstack15

A workbench for enchantment operations

itemshelf (Fork)
nac

Generic item shelf with 3D items on display