With all the popular mods and toys, this is guaranteed to keep you busy for hours.

Full Mod List (with their Libraries):

Advanced Fishing
AppleCore
AppleSkin
Applied Energistics 2
Aquaculture
Aroma1997Core
Aroma1997s Dimensional World
Astikor [Horse Carts]
AutoRegLib
Avaritia 1.1x
Baubles
Better Advancements
Better Builder's Wands
BetterFps
BiblioCraft
Biomes O' Plenty
Blood Magic
Bookshelf
Botania
Brandon's Core
Buildcraft
CC: Tweaked
Chameleon
Chisels & Bits
Clumps
CodeChicken Lib 1.8.+
CoFH Core
CoFH World
Common Capabilities
ConnectedTexturesMod
Controlling
Corail Tombstone
CraftTweaker
Cyclops Core
Decocraft2
Doggy Talents
Draconic Evolution
Enchanting Plus
Ender IO
Ender Storage 1.8.+
EnderCore
Energy Converters
Extra Utilities
Fast Leaf Decay
Fence Jumper
Fence Overhaul
Fluid cows
FoamFix for Minecraft
Forestry
Fossils and Archeology Revival
FTB Library
FTB Utilities
FTB Utilities: Backups
Fullscreen Windowed (Borderless) for Minecraft
Game Stages
Grappling Hook Mod
Guide-API
Hats
Hwyla
iChunUtil
Immersive Engineering
Industrial Craft
Industrial Foregoing
Inventory Tweaks
Iron Backpacks
Iron Chests
JourneyMap
Just A Few More Ores
Just Enough Items (JEI)
LibrarianLib
LLibrary
LootBags
LunatriusCore
Magic Bees
Magical Psi
MalisisCore
MalisisDoors
Mantle
Minecraft Comes Alive (MCA)
Mo' Creatures
Mob Grinding Utils
Morpheus
MrCrayfish's Furniture Mod
MrCrayfish's Gun Mod
MrCrayfish's Vehicle Mod
Not Enough Items 1.8.+
Obfuscate
OpenBlocks Elevator
Ore Excavation
Pam's Clay Spawn
Pam's Cookables - Pam's Harvestcraft Addon
Pam's Get All the Seeds!
Pam's HarvestCraft
Pam's Simple Recipes
Pam's Weee! Flowers
Pet Bats
Project EX
ProjectE
Psi
PTRLib
RadixCore
Random PSIdeas
Redstone Flux
Schematica
Shadowfacts' Forgelin
Simply Jetpacks 2
Storage Drawers
Tesla Core Lib
Thaumcraft
The Spice of Life
Thermal Cultivation
Thermal Dynamics
Thermal Expansion
Thermal Foundation
Thermal Innovation
Tinkers Construct
Tinkers' Tool Leveling
Tiny Mob Farm
Useful Cows[Much more Cows] Mod
Waila Stages
Waystones
Wolf Armor and Storage
WorldEdit
WorldEditCUI Forge Edition 2

Fyrecraft2