As nice scroll is a jquery plugin for WordPress site. This plugin will create a nice scrollbar for your site.

Password strength meter for the 'change password' screen in BuddyPress

Security against brute force attacks by tracking IP, name, password; requiring very strong passwords. Idle timeout. Maintenance mode lockdown.

DEPRECATED: This plugin is no longer under development and this feature has been moved to Easy Options for WooCommerce plugin

AS login you can fully customize wordpress login page.

A Better Password Strength indicator

Access hidden WooCommerce options such as: Disable Confirm Logout, Hide Password Strength Meter, Hide Categories from Shop Pages and Widgets, Show Empty Product Categories, Hide Product Category Name/Count, Sort Shipping Methods from Least Expensive to Most Expensive, Hide Related Products on product page, Force Local Pickup Shipping Method to be last choice, Disable New User Registration from wp-login.php screen.