Ethereal: All-faces tree blocks
1F616EMO

All-faces tree block for Ethereal trees

Aquamarine
RasPiManiac

Adds Aquamarine ore, ingots, etc.

Saphire
Ryft77

Adds saphire stuff

Hidestone
shaft

Adds a stone that can hide up to 100 blocks.

Place Rotated
12Me21

Better slab/log placement

Tac Nayn
GreenXenith

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

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.

Template to Easily Make Fancy Voxelized Models
Noodlemire

Provides voxelmodel.obj, a model designed to be shaped by changing its texture, in order to easily create fancy voxelized models.

More Ladders
SkyBuilder1717

Adds more ladders and sticks!!!

Lapis Lazuli
LNJ

Adds lapis lazuli ore, items and blocks.

Target
shaft

Adds target to shoot at. Target emits Mesecons and Digilines signal

Archaeology
SkyBuilder1717

Adds an looting and API in archaeologing

Dyeable Steel Blocks
nemokitty9

Allows Players to dye Steel for decorative blocks.

awuuwa's Building Blocks
awuuwa

various building blocks

Quartz New
alerikaisattera

Quartz and quartz glass building blocks

Pink Lava
TenPlus1

Adds pink lava to certain depth of map with new mahogany obsidian block

Tortou
LibraSubtilis

Turtle graphics, hyperloop travelingsystem and cubic mobs.

Map Cursor
Blocky Player

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

Ocular Networks
mt-mods

Draw power from the world, and use it to power machines and tools.

My Pipes
Don

Mechanical pipes

Fake Solids
Holly Mae

Creates fake blocks that can be walked through.

Floating Anchor
Starbeamrainbowlabs

ExtraUtilities' Angel Block for Minecraft in Luanti! Place structures in mid-air with ease.

Mesecon Node
1F616EMO

Make all node have mesecon_wire version

My White Block
Don

a white block

Roadway
X17

Adds simple roads in 4 sizes.

Fraktur (alphabet digits letters)
shaft

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

Snow for Hades Revisited
SFENCE

Add snow to Hades Revisited via snow cannon.

Nodecore Stucco
Avicennia_g

Adds a few decorative building nodes to Nodecore through simple and crude masonry.

NodeCore Pottery
Winter94

Adds clay and ceramic items and nodes to NodeCore

New bricks
DimonPy

adds 119 new bricks and grinder

Hardcorebrix
drkwv

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

My Wood Slopes
Don

Make slopes with wood blocks.

Hexagonal
GreenXenith

Proof of concept for hexagonal nodes

nodeu
ulla

metal blocks stair railing coloured

DragonEggLock
mi.sh

You can lock a Dragon Egg so it doesnt teleport away

Simple Models
AntumDeluge

Very simple models.

NodeCore Beacons
Warr1024

Long-distance navigation beacons for NodeCore

Stacked Bricks
1F616EMO

Bricks stacked on another type of bricks

Short Names for worldedit
niwla23

Adds short number aliases to some nodes like in MC

Plastic Box
Starbeamrainbowlabs

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