Multisite features

WordPress multisite sounds exactly like what you are looking for. It takes a little work to get multisite set up, but once that’s done, the options for allowing anybody to register and create a new site are built right in. See http://codex.wordpress.org/Create_A_Network for setting up a multisite instance.

Not being allowed to use some terms in Add New Site in WordPress

http://codex.wordpress.org/Create_A_Network#Permalinks /blog cannot be used as a new site name. It is relied on heavily by WP for the main site. Everything added to it automatically has /blog as part of the permalink from my understanding You can check out this discussion http://wordpress.org/support/topic/root-directory-blog-for-wordpress-30-main-multisite to see if it helps you out, gives some further options. The … Read more

WordPressMu network with private sites

By deafault, any sub-site is open to public. You would need to add code to check if a user is logged in. And if user is logged in, does he have the right priviliges? What I would do, is to create one new role for each sub-site. Then when a new user registers, I would … Read more

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