Applied Energistics 2 - Advanced Storage
AE2 Stuff - Adds some misc. bits to AE2

Chisel - Decoration blocks

Ender IO - Cables, machines etc (New Age)

Extreme Reactors - Power Generation

Immersive Engineering - Retro styled cables, storage, machines
Immersive Petroleum - Add-On for IE

Industrial Foregoing - Automated Machines, like a tree farm
Integration Foregoing - Add-On for IF

Mekanism - Ore Processing, power generation etc
Mekanism Generators - ^
Mekanism Tools - some tools
OR
Thermal Expansion - Adds a ton of small machines
Thermal Dynamics - Add-on for ^
Thermal Foundation - Add-on for ^
Thermal Innovation - Add-on for ^

Tinkers Construct - duh