Create Cool 4

Create + Addons

Adds mechanical contraptions, realistic trains and automation with rotational power. Also contains some addons which adds basic jetpacks, decoration and even more automation recipes.

Mekanism

More compact and advanced machines intended for the lategame, also featuring some overpowered armor and tools.

Applied Energistics 2

Better storage management with a digital interface to see all of your items all at once. Also features some automation features which can quickly craft and transport items.

Computer Craft

A computer mod which can control your factories with programs created in the Lua programming language, which requires some programming knowlage. Though you can sometimes download open programs that others have made.

Farmer's Delight + Addons

More crops and farming! Much of which can be automated with create.