This plugin is excellent, easy to use,and with lots of documentation. It is very flexible and highly customizable. It has a lot of features some of which are restricting contents to registered users, user registration, User Profile Update, and Password reset.
After carrying out detailed research, I am fully convinced that this is the most complete Membership plugin available.
I will surely donate to this plugin within the next 3 months.
I personally think that if different categories of pro versions with option of one time payment (rather that yearly subscription) are included, more sales will be recorded for this plugin which will further increase the leadership gap of this great plugin.
Keep up the good and innovative work, Chad!!