PopDrop makes Popovers, Tooltips, Mega Menus, Dropdowns and Modal Dialogs that are simple and stylish.
Make your own menus using any stacks that you like.
There is also TipList mode that allows you define tooltips for your whole site in one stack.
See the demo & instructions: https://demo.bigwhiteduck.com/popdrop/
You can get PopDrop now for free from https://www.bigwhiteduck.com/stacks/popdrop/
Read more about PopDrop: https://www.bigwhiteduck.com/posts/popdrop-stack