This pack is centered around building and getting the most out of what you want. want to Overpowered, this has plenty of mods for you to play around with.

Just Enough Items (JEI) (by mezz)
ConnectedTexturesMod (by tterrag1098)
Chisel (by tterrag1098)
JourneyMap (by techbrew)
Mantle (by mDiyo)
Tinkers Construct (by mDiyo)
Iron Chests (by progwml6)
Chameleon (by jaquadro)
Storage Drawers (by jaquadro)
Custom Main Menu (by lumien231)
Resource Loader (by lumien231)
Immersive Engineering (by BluSunrize)
Inventory Tweaks (by Kobata)
Extra Utilities (by RWTema)
Morpheus (by Quetzi)
Chisels & Bits (by AlgorithmX2)
AppleSkin (by squeek502)
Cooking for Blockheads (by BlayTheNinth)
BiblioCraft (by JDSinclair)
FTBLib (by FTB)
FTB Utilities (by FTB)
CodeChicken Lib 1.8.+ (by covers1624)
Ender Storage 1.8.+ (by covers1624)
Natura (by mDiyo)
Forestry (by SirSengir)
OpenModsLib (by OpenMods)
OpenBlocks (by OpenMods)
Shadowfacts' Forgelin (by shadowfactsmc)
Tesla Core Lib (by Face_of_Cat)
Industrial Foregoing (by Buuz135)
Redstone Flux (by TeamCoFH)
Simply Jetpacks 2 (by Tomson124)
CoFH World (by TeamCoFH)
Reborn Core (by modmuss50)
Steve's Carts Reborn (by modmuss50)
AutoRegLib (by Vazkii)
Quark (by Vazkii)
Industrial Craft (by Player)
The Twilight Forest (by Benimatic)
More Overlays (by feldim2425)
NetherPortalFix (by BlayTheNinth)
The One Probe (by McJty)
Aroma1997Core (by Aroma1997)
Aroma1997s Dimensional World (by Aroma1997)
Mod Name Tooltip (by mezz)
Quick Leaf Decay (by lumien231)
MysticalLib (by epicsquid319)
Blockcraftery (by epicsquid319)
ProjectE (by sinkillerj)
Cyclic (by Lothrazar)
ComputerCraft (by dantwohundred)
MalisisCore (by Ordinastie)
MalisisDoors (by Ordinastie)
Buildcraft (by CovertJaguar)
CoFH Core (by TeamCoFH)
Thermal Foundation (by TeamCoFH)
Thermal Expansion (by TeamCoFH)
Thermal Dynamics (by TeamCoFH)
Thermal Cultivation (by TeamCoFH)
Thermal Innovation (by TeamCoFH)
Random Loot Mod (by milomaz1)
Minecoprocessors (by ToroCraft)
Factory Tech (by lucariomaster1)
Industrial Renewal (by Cassiobsk8)
Binnie's Mods (by Binnie567)
Hammer Core (by Zeitheron)
Improvable Skills 3 (by Zeitheron)
Useful Interior (by ostpol)
Default Options (by BlayTheNinth)
MegaCorp (by pkmnfrk)

Redo Build Pack

AppleSkin

Aroma1997Core

Aroma1997s Dimensional World

AutoRegLib

BiblioCraft

Binnie's Mods

Blockcraftery

Buildcraft

Chameleon

Chisel

Chisels & Bits - For Forge

CodeChicken Lib 1.8.+

CoFH Core

CoFH World

ComputerCraft

ConnectedTexturesMod

Cooking for Blockheads

Custom Main Menu

Cyclic

Default Options