Fake Solids
Holly Mae

Creates fake blocks that can be walked through.

Alternate Gravel
soeren

the mod adds 32x32 pixels 2x alternative gravel

Palisade
SFENCE

Add craftable palisades in many styles. Hades Revisited is supported.

Instabreak
Mint

Instantly break (most) construction blocks.

My Blocks
Don

Special Blocks

Rotting Wood
Polynium

Causes wood to slowly rot while exposed to water

Smart Renting
AiTechEye

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

Wheitestone
soeren

deco whitestone

Falling Stairs
lazerbeak12345

Adds falling stairs and slabs for gravel, sand and others.

Pole Scaffolding
SFENCE

Craftable pole scaffoldings. Support default game and Hades Revisited game.

Protector Redux
sorcerykid

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

Tile Floors
ClassicAdam

Various colors of tile flooring in 16px and 256px res

Color Cubes
Wuzzy

This mod contains several colorful abstract blocks for decoration.

Extra Stone Utilities
XxCrisThor1012xX

Adds new uses of stone

TP Gate
AiTechEye

Teleport through the gate

Plastic Box
Starbeamrainbowlabs

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

Prismatic Stone
doomburger

Adds decorative prismatic stone blocks, coral dyes, and six new crafting recipes.

NodeCore PumMINE
Winter94

Mineable pumice

Short Names for worldedit
niwla23

Adds short number aliases to some nodes like in MC

Tac Nayn
GreenXenith

Adds Nyan Cat's evil twin, Tac Nayn (and a gray-scale rainbow).

Map Cursor
Blocky Player

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

Hardcorebrix
drkwv

Adds durable building materials that won't break on a first dig.

Replacements
BuckarooBanzai

Replacement/placeholder blocks intended for schematics

Invisible Blocks
Truemmerer

Add invisible Blocks

DragonEggLock
mi.sh

You can lock a Dragon Egg so it doesnt teleport away

Quartz Glass for Stellua
vejou

Adds quartz-glass combinations for colored glass blocks

Mesecon Node
1F616EMO

Make all node have mesecon_wire version

Explosion proof obsidian
Miner34

Adds an explosion proof obsidian.

Diamond Arts
Teltalila

Adds decorational fake diamond blocks.

Flowing Concrete
DumbDave961

Adds flowing concrete that hardens over time. Cheap alternative to lava cooling.

Snow for Hades Revisited
SFENCE

Add snow to Hades Revisited via snow cannon.

Zenrake
Hussell

Adds 4 new rake patterns to NodeCore

Obdy
Sires

Adds some pretty OP tools :)

Copier
1F616EMO

A tool to copy and paste nodes from a file or from a tool

awuuwa's Building Blocks
awuuwa

various building blocks

Hidestone
shaft

Adds a stone that can hide up to 100 blocks.

NC Pumbob
Winter94

adds carvable and sealable pumice bobbers/floaters

Dais Ex Machina
Warr1024

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

Colored Stone
Clyde

provides colored stones.

Advance ore API
Sere Motsatt

Create complex minerals the easy way