PrivateContent Multilevel Content Plugin
PrivateContent allows you to add multi-level login forms, user management features, user private pages, and private areas to your website. PrivateContent takes advantage of the wordpress structure to let you create unlimited lists of users and restrict your website contents. Furthermore, you can restrict access to all types of content including posts, pages, menu and even categories. Gives you also the ability of deactivate users, to keep them in the database but deactivating their accesses to restrict contents.
Pricing: $23 (Regular License) | $120 (Extended License)