Ultimate Floating Widgets – Make popup sidebars (ultimate-floating-widgets) free WordPress plugin

Ultimate floating widgets plugin allows you to add floating widgets to your site. If your theme does not have a sidebar or wish not to have a sidebar but still have widgets then with this plugin you can add a floating sidebar with widgets in it.

This sidebar/widgets (widget box) will be in a collapsed state and users can expand it by clicking on a floating button. There are different types and positions for the widget box like “popup bubble” and “Flyout”

View live demo