Made for a small group of people and/or for fun/learning the process of making a pack.

A terrain alteration mod provides more natural looking terrain with far wider fields and more 'realistic' looking mountains, providing larger spaces to build within.

Astral Sorcery allows you to harness the power of the stars to fly, mine faster, run farther.

Minecolonies lets you easily construct a town or fortress populated by server-friendly AI.

Create uses gearing mechanics to twist your brain while permitting you to create new varieties of trains and movable structures.

More varied cave and mineshafts are present.

Eidolon, a newer magic mod on the scene, has high quality graphical design and a few unique mechanics such as dust that undead can not cross.

Several varieties of cooking and farming mods add quite a bit of variety and flexibility to the cooking experience while the world experiences shifting seasons.

Botania tricks you in to playing with a tech mod disguised as a flower shop.

Immersive Engineering lets you electrocute yourself as you try to wire up your base and town.

Psi apparently lets you program magic spells?

Major Mods:
Astral Sorcery

Immersive Engineering

Immersive Petroleum

Macaw's Bridges, Doors, Roofs, Trapdoors, Windows, (with possible plans to add Furniture)

Minecolonies

Element's of Pam's HarvestCraft (core and food extended only, for now, as there is a serious world-generation breaking bug in trees, due to its lack of registering the trees themselves)

PneumaticCraft; Repressurized

Psi

Quark

Refined Pipes and Storage

Thermal Cultivation, Expansion, Foundation, Innovation, Locomotion

Minor Mods:

Ambient Environment
Ambient Sounds

Apple Skin