This plugin provides a smooth way for the user to login and register at any wordpress site
screenshot-1.png shows the widget in the wigdet screen after you activate the plugin.
screenshot-2.png shows the wigdet in the theme sidebar when you go to the main site.
screenshot-3.png shows the form of login or lost password.
screenshot-4.png shows the form of register.
screenshot-5.png shows the widget after you logged in.