Bootprompt is an alert, confirm and flexible dialog boxes for Bootstrap. Bootprompt supports the same range of browsers as Bootstrap 4.
overhang.js is a jQuery plugin to display sleek, instant notifications, confirmations or prompts inside a given element.
eModal is a simple way to create modal dialogs using jQuery and Bootstrap.
You can use eModal to display a modal for alert, ajax, prompt, confirm or iframe.
jQuery.modal is a jQuery plugin for simple modal boxes, alerts, prompts, confirms. It's responsive and many other options included.