SweetAlert2, also known as "swal," is a customizable and responsive replacement for JavaScript's native popup boxes, designed to enhance user interactions with ease. It supports alerts, prompts, confirmations, and multi-step dialogs, all while being WAI-ARIA compliant for accessibility. With sleek design, flexible theming, and easy integration, SweetAlert2 allows developers to customize everything from buttons and icons to animations without compromising performance. As an actively maintained fork of SweetAlert, it ensures ongoing updates and improvements, making it ideal for developers who prioritize both functionality and aesthetics in their web projects.

notify.js is a small jQuery plugin that simplifies notification process. Despite its small size it is fully customizable notification library.