superfish

Superfish integrates jQuery Superfish plugin with your Drupal menus.

Overview:

• Unobtrusive JavaScript.
• Multi-column sub-menus. (Megamenus)
• Easing effects with the jQuery Easing plug-in.
• Automatic sub-menu width calculation. (Supersubs plugin)
• Automatic sub-menu position calculation, so they never appear off-screen, (Supposition plugin)
• Keyboard-accessible.
• Screen Reader compatible.
• Touch-screen compatible.
• Small-screen compatible. (<select> and vertical accordions)
• Device determination for touch and small-screen plugins using window width and UA string (client-side and server-side), plus Modernizr support.
• RTL (Right-to-left) support.
• And a whole lot more...

Requirements:

• Drupal 8/9/10/11
  • Superfish library 2.x (place to /libraries/drupal-superfish)
• Drupal 7
  • Superfish library 1.x (Sample CSS & SCSS)
  • JQuery 1.6.1 or higher, if you are going to use the jQuery Easing plugin.
  • Behavior Weights

Recommended additions:

• Libraries module
• jQuery Easing plugin (note that the file has to be renamed to jquery.easing.js before being uploaded to sites/all/libraries/easing)
  Most likely you also need to install jQuery UI module since jquery.ui was removed from the Drupal 9 core