Have an overview of all communities in the web. Rate them, comment them, tag them, describe them.
Add communities that are missing. Make your own community stronger by promoting their unique qualities.
Combine and group communities that belong together to so called Universes. Delve into broad topics as well as specific interests.
Mark all communities you are using. Know exactly where you have accounts.
Create a showcase of your online communities for others to see.
Your online life is as precious as your offline life. Keep everything private that needs to be.