Techage Modpack by joe7575
Go through five tech ages in search of wealth and power
Buszmo's technology gallery
A collection by PlackiZZupą
Packages
Mesecons by Jeija
Adds digital circuitry, including wires, buttons, lights, and even programmable controllers.
Storage Drawers by LNJ
Adding simple storages for items, showing the item's inventory image in the front.
Digtron by FaceDeer
Adds components for building modular tunnel boring machines
Pipeworks by mt-mods
Supplies a complete set of nice, round mesh-based water pipes, boxy item-transport tubes, and devices that work with them.
Basic Materials and items by mt-mods
Provides a small selection of "basic" materials and items that other mods should use when possible -- things like steel bars and chains, wire, plastic strips and sheets, and more.
Technic by RealBadAngel
Extensive machinery mod with electricity and ores.