3. Emacs Dev KitAn advanced self-contained Emacs configuration suitable for many software developers (deprecated)
4. Guru ModeLearn to use Emacs the way it was meant to be used (the Emacs guru way)
7. CruxA Collection of Ridiculously Useful eXtensions for Emacs
8. PreludePrelude is an enhanced Emacs 25.1+ distribution that should make your experience with Emacs both more pleasant and more powerful.