Invisible Blocks
Truemmerer

Add invisible Blocks

Cottonseed Oil Fertilizer
1F616EMO

Powerful fertilizer from cotton seed

Ubertool Mod
HartRend

Provides a combination pick, shovel, and axe tool capable of extreme function. Tool is also illuminated.

blueberry_juice
MR_breaddz

blueberry juice

Fakery
iarbat

Adds counterfeit diamonds and other fake precious materials.

playervault
bookgirl

A personal and admin-accessible player vault.

Kits
Pyu

An API for creating kits

Cannonballs
AwesomeDragon97

Launch explosive cannonballs at your enemies.

Noriel Sylvire's Minerals Core Modpack
Noriel_Sylvire

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

Hexagonal
GreenXenith

Proof of concept for hexagonal nodes

Plasterwork
Sokomine

Add colored plaster coats to nodes

Underground Survival Lighting
Arkatron

If you like underground light in survival, use this mod, it can help that.

Card deck
mijutu

Deck of cards and table blocks

Dyed Water
erov

Dyed water for mtg

Cute Pie
Don

Cute blocks

Tile Floors
ClassicAdam

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

Ocular Networks
mt-mods

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

My Mulch
Don

Turns leaves and other items to mulch blocks

Explosion proof obsidian
Miner34

Adds an explosion proof obsidian.

Color Blocks
mt-mods

Contains colored building blocks.

Debugging Console
sorcerykid

Provides an in-game HUD to easily monitor debug output

Dirt Tunneler
Neuromancer

Makes dirt deeper and you can tunnel through it just by walking through it. Press spacebar/shift to tunnel upward/downward with auto placed ladders.

Great British Pound
angry_hd1

Adds A Simple Currency System

nodeu
ulla

metal blocks stair railing coloured

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.

Protector Redux
sorcerykid

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

Leather Armor
X17

Adds an armor made of leather

Cave explorer tool
SFENCE

Cave explorer tool to use acoustic signals for undergound exploring.

World Borders
argyle

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

Batch Screwdriver
niwla23

With this you can rotate all nodes in a row at once

Colored Steel
cd2

Adds colored steel blocks.

Fareboxes and Faregates
1F616EMO

Signal-emitting fareboxes and faregates

golden lava
Giga_M

add golden lava

MathPlot
kyleclaassen

A tool for constructing mathematical curves/surfaces/solids.

Spectator Mode
jp

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

Super Axe
adrian-castravete

An automatically wood chopping axe.

More Coral
Nathan.S

Adds coral in more colors.

Prop Hunt Modpack
Jo5629_

Transform into nodes and with a minigame.