Anyone can now sign up for a free WordPress.com hosted blog. Previously, you either had to have an invitation or download and use the Flock browser.

WordPress founding developer Matt Mullenweg said they opened the invitations because “the service has been scaling very well.”

If you’re still looking for a free hosted service for your blog, WordPress.com would be a good choice. It may not offer much design customization yet but it makes up for this with its great blog administration capabilities and interface.