Public Death Messages
Thresher

Adds toggleable and unique death messages for when a player dies

Envelopes
archfan7411

Write and address an envelope to another player!

Wheitestone
soeren

deco whitestone

Colored Leaves
Otto

Adds several colors of leaves

Realm Lamp
GenesisMT

A rainbow gradient block for decoration and with differents speeds.

Cid Music Player
ekl

Plays music

Protector Redux
sorcerykid

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

/bring
1F616EMO

A simple command that brings another user to your spot

Recover from irrecoverable lag
1F616EMO

Restart the server when it lags too much

MT POI Map
beaver700nh

Displays a map with points of interest, for any game (no dependencies).

Bubbles
niwla23

Adds bubble machines

Quartz Glass for Stellua
vejou

Adds quartz-glass combinations for colored glass blocks

Stacked Bricks
1F616EMO

Bricks stacked on another type of bricks

Leather Armor
X17

Adds an armor made of leather

Disguises
Signal_

Adds a disguise to every entity.

Hitchhiker's Guide to the Galaxy
Paul Wilde

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

Cave explorer tool
SFENCE

Cave explorer tool to use acoustic signals for undergound exploring.

NodeCore Stalactites & Stalagmites
Winter94

Generates Stalactites and Stalagmites in caverns underground.

Valentine's day
Luke

Adds valentine cards

Fraktur (alphabet digits letters)
shaft

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

World Borders
argyle

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

Colored Steel
cd2

Adds colored steel blocks.

Upgrades
niwla23

Adds effects to players for a short time

Fareboxes and Faregates
1F616EMO

Signal-emitting fareboxes and faregates

golden lava
Giga_M

add golden lava

Hit Me
PsyMops

A bouncy block you can hit (:

Petroglyph Maker
Neuromancer

Create your own petroglyphs on Desert Stone

Saphire
Ryft77

Adds saphire stuff

MathPlot
kyleclaassen

A tool for constructing mathematical curves/surfaces/solids.

Spawnarea
Casimir

Players spawn and respawn within an area around the center of active players.

silence
fluxionary

adds a node to silence nearby sounds

Tool Crafter
508linx

use any posible material craft tool in crafttable

Spectator Mode
jp

Allows you to watch other players in their 3rd person view.

NodeCore CatRealm
Warr1024

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

NodeCore Coal
Winter94

Adds 3 ores of coal to NodeCore.

Bedrock Markup Language
sorcerykid

Bedrock Markup Language is an extensible markup language and API for formspecs.

Anti Exploit
LMD

Protects against exploits

Super Axe
adrian-castravete

An automatically wood chopping axe.

Player Nametags
LMD

Adds player nametags floating above players.

Colored Strings
Alib234

Adds colored strings and allows to create wool from 4 strings and viceversa