by acasado on WordPress.org
Allow users to login using a link (or QR code). This plugin can be used for create custom event invitation, for example: wedding, etc.
QR is displayed on the user profile page.
MJP Security Tools is a plugin designed to fix a lot of Wordpress security issues, as well as providing extra support.
Plugin that helps your wordpress installation look more customized includes a Page Loader and Custom Login Page using the same settings.
This plugin allows admin to disable anonymous (non authenticated users) browsing of selective posts, pages, feeds or complete WordPress site.