Bricks Plus
X17

Adds different brick patterns

Power Rangers Modpack
LC Creations

Adds power rangers and an API to create your own.

Smoke Signals
Just_Visiting

Signal your friends, or warn your enemies!

Procedural Furniture
the_raven_262

Creates furniture collections

Lava + Water > Stone
1F616EMO

Cool Lava into technically special stones for easier cleanup

Dirtcraft
dayer4b

Adds automatic crafting recipes for making most kinds of dirt

Sieves
AwesomeDragon97

Adds sieves that are used to separate (occasionally) valuable debris from sand.

Kitty/Kitto Ores
nemokitty9

Nemokitty9's own ore pack. Includes Tools!

Candy
Kostivar

Adds candy which you can make from candy ores.

Loose Rocks
eduardomezencio

Adds loose rocks which generate randomly on the surface.

Trails
X5Dragonfire

Allows you to make paths in grass with ground roller

Reinforced Diamond Tools
ImAlreadyHere

A sword and a pickaxe that are really strong and can be crafted with diamond blocks and sticks.

Tomb Stones
Nathan.S

Adds many shapes and styles of tombstones.

Chains
X17

Adds chains to climb or decorate

Clay Bricks
AwesomeDragon97

Adds colorful clay bricks.

Random Cool
pl608

Adds random ores on lava cool

Aqua Farming
Clyde

Farming under Water, now it's possible.

blackhole containment box
Soundwavez

cool swirvy gravitational blackhole boxes, that can be used to "ahnialate" enemy bases, or for "deforestation" aah i love abms! (extra dramatic!))

Multiplant
Firefall

Grow Multiplants and get a random seed or flower!

Swamplified
Neuromancer

This mod adds a few more nice touches to Atlante's Swamp biome mod

Basic Grenades
LandarVargan

Adds some basic grenades using the grenades API

Utilities for Underch - extension pack
Hypernoot

Extend the Underground Challenge by miscelaneous utilities and change some recipes

potal launcher
Soundwavez

Potal Launcher

Lava Ore Gen
Coder12

Makes the lava turn stone into ore over time.

Multitools
ChimneySwift

Adds a series of multi-purpose tools

Slats
v-rob

Adds decorative slats that have a lot of uses.

Zinc
alerikaisattera

Zinc metal, used for making brass

Bonified
Shqug

New features related to the bones you get from dead players in MTG.

Jukeloopbox
ulla

A simple jukebox that can be used for small looped tracks, or simply to listen to music

Metallicum
Ludus

The power of Titanium!

CodeBlock
giga-turbo

Use lua code to build anything you want

Worldedge
Don

Teleports the player to the other side of the world when they reach the edge.

visible health bar
Giga_M

adds a visible health bar above the player

Missions
BuckarooBanzai

Adds blocks to create missions with rewards, timeout and penalties.

Watershed
paramat

A river / mountain range mapgen

void grenade
Giga_M

add an void grenade

HUD Analogic Clock
APercy

Adds an analogic clock to hud

The Grue mod
Majozoe

It is pitch black. You are likely to be eaten by a Grue.

Nyfty Blocks
Ryft77

Adds some nifty blocks

Titanium
Hybrid Dog

Adds titanium which is very strong and lasts for a long time.