Elegant Notification Popup JavaScript Library – Notiflix
Notiflix is a flexible, powerful and customizable notification popup library which sends different types of notification messages to the user.
JavaScript & CSS alert
Simple Alert Popup JavaScript Library – Toastifier
A simple yet highly customizable alert popup JavaScript library inspired by Material Toasts.
Elegant Alert/Confirm/Toast Dialog Box In JavaScript – Cute Alert
Cute Alert is a Vanilla JavaScript dialog popup library to create alert notifications, confirm popup boxes, and toast messages on the web app.
Rich Text Browser Alert & Confirm Dialog – alert4html.js
An alternative to the browser alert/confirm dialog that enables you to create rich text alert & confirm dialog boxes on the page.
JavaScript Plugin For Custom Toast Notifications – Simple Notify
A simple notification JavaScript plugin for displaying highly customizable, toast-style alert popups on the page.
Minimal Alert, Confirm, And Toast Dialog In JavaScript – Asteroid Alert
Asteroid Alert is a standalone JavaScript dialog popup library to create minimal, modern alert & confirm dialog boxes and toast-like notification popups using pure JavaScript.
Lightweight And Practical Alert Popup Library – Prompt.js
A lightweight, configurable JavaScript notification library to create beautiful, cross-platform, toast-like alert popups using plain JavaScript.
Modal & Alert Boxes With Cool Animations – Easy Modal
A feature-rich dialog popup JavaScript library for creating modal windows & alert boxes with cool CSS3 animations.
Sweet Alert Message In JavaScript – as-alert-message
A tiny JavaScript popup library used to create animated, customized, sweet alert/confirm dialog boxes on pages.
Customizable Alert Box In JavaScript – Pling.js
A tiny Vanilla JavaScript JavaScript library for displaying custom alert boxes or modal popups on the page.