Most of Moddb may have or not have heard that Here engine and Big world technology are launching Indie Friendly Priced MMO Solutions for the Masses.
Lets start with Big World Technology.
Big world tech which is used in free 2 play games such as world of tanks and the upcoming World of Warplanes and World of Battleships. The Price to get the tool set (both Server and Client) is there. $299 Annually and a maximum of 10,000 Subscribers/Accounts + They get 10% of the gross revenue. You get the full client source but not the full Server source or any of it in all honesty.
Indie.bigworldtech.com
Next up is the Hero engine which is powering Bioware/Electronic Arts - The Old Republic.
They are releasing there HeroCloud Service to the masses some time this year or in next few months
Heroengine.com
So if you are a looking to get into the MMO industry now is a great time :)
Now before I end this article I would just like to say this do not PM me with any questions regarding MMOs, Please.