WPB Floating Menu or Categories is a free WordPress plugin, it allows you to increase your site usability by adding sticky floating side menu or categories with icons.

Welcome to User role sidebar menu..! This plugin allows you to Manage custom Sidebar menus based on logged-in user and you can assign different custom menus for different user roles on any WordPress page.

Clickable Sidebar Menu: A customizable plugin for creating dynamic, interactive side menus with multi-level support for your WordPress site.

WPB Accordion Menu is a responsive collapse vertical sidebar menu for WordPress. WooCommerce category menu, collapsible categories, collapsible menu.

WordPress Responsive Vertical menu plugin is an nice and handy plugin for showing your menu in widget. It's very simple to use.