there are many user management / login scripts available for free downloading on internet, i want to ask , is there any useful script, which work like facebook? if anybody need such a script, how to get it free?
what do you mean? do you mean you want users to login to your website via facebook? If you use wordpress, you can search a plugin called " facebook login" and install it, it's free. I've done that, my website visitor can register and login to my website using their facebook account. Hope it is what you want