Updated discourse and now site fails to display

Product Support
7

These are the plugins I have:

     - git clone https://github.com/discourse/docker_manager.git
      - git clone https://github.com/discourse/discourse-data-explorer.git
      - git clone https://github.com/discourse/discourse-linkify-words.git
      - git clone https://github.com/discourse/material-design-stock-theme.git
      - git clone https://github.com/discourse/onebox.git
      - git clone https://github.com/discourse/discourse-voting.git
      - git clone https://github.com/discourse/wp-discourse.git
      - git clone https://github.com/discourse/discourse-bbcode-color.git
      - git clone https://github.com/gdpelican/babble.git

How can I tell which are official and which are not?