Both paid and free versions work well

I am using the free S2Member version on two sites and the paid S2Member Pro on one site and have found support for both to be pretty good. This plug-in works great for a membership site; there are a few things I wish they would include (the ability to add a donation to a membership payment; and a publishable membership directory are a couple), but I’ve researched a lot of membership programs and this one always comes out on top for me.