There are thousands of Harry Potter sites out there not all of them offical ones. So somewhere they will be a new HP chat site.
Um, harrypotter.com, chamberof.com, and that's all i really know! • harry potter. com • chamber of chat
Yes, there are other Harry Potter worlds other than the chamber of chat. One is Pottermore.
There are several free websites about Harry Potter.
At Harry Potter.com
The Harry Potter and the Philosopher's Stone website no longer exists. Warner Brothers updated the website with the release of each new movie. With the end of the series the website remains as Harry Potter and the Deathly Hallows.
You can find the answer on a website called Fanfiction. There are fic where people write about Harry Potter reading Harry Potter and The philosopher's stone and so on...
You can watch all the Harry potter movies on watchonlinemovieshub.com in HD quality.
harrypotter.com
There is an online quiz called "Who is Your Harry Potter Husband?" on the quiz website PlayBuzz.
It is a Harry Potter themed virtual world where you can customize your own avatar
Answers.com has summaries of the Harry Potter books. Other good websites are MuggleNet and the Harry Potter Wikia.
The stories that are featured on the Harry Potter Fan Fiction website are written by fans of the books or films of Harry Potter. They are written as if the author is in the Harry Potter story. Some of those stories are Never Alone, Days of War and Stolen Freedom.