Check below link for more options.
http://www.bloggermint.com/2011/08/5-best-wordpress-membership-plugin-to-start-a-membership-website/
Another link
http://wp-member.com/
Check below link for more options.
http://www.bloggermint.com/2011/08/5-best-wordpress-membership-plugin-to-start-a-membership-website/
Another link
http://wp-member.com/