Tekkit

Tekkit is a Minecraft mod pack. It contains 41 mods. To use Tekkit you need the Technic Launcher that install from the Tekkit website. When you have the launcher log on to Minecraft. You can use servers on tekkit unless they are Tekkit servers. Tekkit has a wiki. Tekkit has many new items, weapons, and even has machines. Tekkit is in 1.2.5 but has a couple 1.3 things like ender chests and emeralds.