My Wood Slopes
Don

Make slopes with wood blocks.

Parcdeco
Floatland

adds grass-like nodes that have flowers

Invisible Blocks
Truemmerer

Add invisible Blocks

Ethereal: All-faces tree blocks
1F616EMO

All-faces tree block for Ethereal trees

Impenetris
AirplaneMan

The hardest rock on all of the worlds (except for bedrock)

Autobuilder
limafresh

Adds a GUI for building cubes with customizable width, height, and length.

My Paths
Don

Dirt paths.

TerraContent Crimson
AirplaneMan

Introduces the Crimson to your worlds.

Saphire
Ryft77

Adds saphire stuff

plots
bookgirl

plot world system inspired by PlotSquared for Luanti

Useful Contraptions
theFox

Some useful contraptions / machines.

Tac Nayn
GreenXenith

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

Tables
AwesomeDragon97

A simple mod that adds decorative wooden tables.

My Parkour
Don

Nodes for making a parkour track

More Mese Post Lights!
1F616EMO

Add more mese post light

More Ladders
SkyBuilder1717

Adds more ladders and sticks!!!

My Bricks
Don

Machine to make bricks out of common material

Roadway
X17

Adds simple roads in 4 sizes.

Mycorners
Don

Put decorative corners on blocks.

My Ladders
Don

Adds different ladders to the game

Hexagonal
GreenXenith

Proof of concept for hexagonal nodes

Plasterwork
Sokomine

Add colored plaster coats to nodes

Tile Floors
ClassicAdam

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

My Mulch
Don

Turns leaves and other items to mulch blocks

Explosion proof obsidian
Miner34

Adds an explosion proof obsidian.

nodeu
ulla

metal blocks stair railing coloured

Protector Redux
sorcerykid

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

My Blocks
Don

Special Blocks

Quarry Link
gabriel1379

Enables use of Quarry Mechanics with the stone-like and resource-nodes of other mods.

Drawstruct
Xenon

Draw or generate random structures

My White Block
Don

a white block

Alternate Gravel
soeren

the mod adds 32x32 pixels 2x alternative gravel

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!

Archaeology
SkyBuilder1717

Adds an looting and API in archaeologing

TP Gate
AiTechEye

Teleport through the gate

Hardcorebrix
drkwv

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

Obdy
Sires

Adds some pretty OP tools :)

Nexus
Survivalier

Nexus Stuff and blocks

Rainbow Source Redo
DumbDave961

Fork of Rainbow Source by Shara. Adds coloured water buckets.