Starter kits contain useful Emacs defaults. There are lots of cheat pages, that help to get an overview of the most important commands.

External Links

Emacs Prelude offers very good default settings and is modular. You activate the modules that you use.
Emacs Starter Kit
Spacemacs is aimed at users using modal editing. It makes good use of Evil, the Vim layer. However, users who don't like modal editing can still use Emacs-style key bindings with holy-mode.
Emacs Kicker

Starter Kits