Trails
X5Dragonfire

Allows you to make paths in grass with ground roller

Utilities for Underch - extension pack
Hypernoot

Extend the Underground Challenge by miscelaneous utilities and change some recipes

potal launcher
Soundwavez

Potal Launcher

Invisibility Potion
TenPlus1

Craft a potion to make yourself invisible

CodeBlock
giga-turbo

Use lua code to build anything you want

Random Cool
pl608

Adds random ores on lava cool

Chocolatestuff
lazerbeak12345

Adds edible chocolate tools and armor.

ponti
ulla

brige/door

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!))

Living Grass
karlexceed

Adds a simple lifecycle to grass

Kitty/Kitto Ores
nemokitty9

Nemokitty9's own ore pack. Includes Tools!

Watershed
paramat

A river / mountain range mapgen

gooey mess reborn
timm

a funny addon that is bigger,better, and a lot more of a goofy time

Sieves
AwesomeDragon97

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

Axis Tools
mt-mods

All the functionality of tinkers construct, but all in your inventory.

Lava + Water > Stone
1F616EMO

Cool Lava into technically special stones for easier cleanup

Hard Trees
octacian

Require tools to break trees and introduce beginner-tier rock tools.

Multitools
ChimneySwift

Adds a series of multi-purpose tools

The Confluence
MisterE

A luamap example - a small (500x100x500) Island in the middle of the ocean with 4 rivers that run from the center to the sea.

Loose Rocks
eduardomezencio

Adds loose rocks which generate randomly on the surface.

Craftable Lava Blocks
Darin755

Makes Lava blocks craftable

book_runner
fluxionary

run a command and put the output in a book

Nyfty Blocks
Ryft77

Adds some nifty blocks

Mistere's Adventure Map Island Creator
MisterE

A 1000x1000 canvas for your imagination

Titanium
Hybrid Dog

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

void grenade
GigaByte

add an void grenade

Ham Radio API
VinAdmin

Add-on for the Ham Radio mod that allows you to implement the transmission of messages between servers via web api

UFO wreck
Irremann

UFO wreck

Tsalagi_letters_modpack
yona

Tsalagi Letters

visible health bar
GigaByte

adds a visible health bar above the player

City Block II
sorcerykid

Disables use of water and lava buckets within a designated area

challenge
josegamestest

challenges to create route challenges or to train flight

Tradelands
Lunovox

Protection of land on payment of periodic rate.

Block In Block
TumeniNodes

A silly mod to spark creativity

Spanish Phonics Learn to Read
Neuromancer

Learn how to sound out words and read in Spanish

Tomb Stones
Nathan.S

Adds many shapes and styles of tombstones.

X-fangs
Octavian2011

adds suits for speed and look

Sumo
MisterE

Sumo Minigame (Arena_lib)

Gold Hunter
josegamestest

get gold minigame

Drums
Mitalar_Zinmaer

Adds playable drums with real samples