Sort of vanilla + Tinkers' Construct and JUST enough items, since NEI doesn't exist yet on 1.9. Realistic world generator and biomes o' plenty is also added... etc...
Installing a modpack using the Technic Launcher is easy. If you don't already have the launcher downloaded, visit our download page to get the latest version.
Type in the modpack name (Official 1.9 "vanilla" Pack) or paste the following url into the search box.
Finally, click Install at the bottom right of the launcher after you select Official 1.9 "vanilla" Pack from the list on the left. The launcher will handle everything else!