JOOST, it is a program where you can watch Main stream Shows and Movies. Granted there aren't many Main stream movies on it yet and the TV shows don't offer a great selection. This is only the BETA essentially or just past the beta 1st edition so it has time to improve.
You are allowed to make your own channles and uploaod your own content as well for others to view. There is a lot of third party independent stuff on their as well.
this is the link to the search just choose the veriosn for you PC/MAC.