Ultra-light JavaScript Dialog & Modal Plugin – JSmodal
An ultra-light popup box plugin to create minimal clean, non-blocking confirm/prompt dialog boxes and modal windows on the page.
JavaScript & CSS prompt
Pretty Non-blocking Dialog Popup JavaScript Plugin – Prompt-Boxes
The Prompt-Boxes JavaScript plugin used to create nice, clean alert/confirm/prompt dialog boxes and toast-like notification popups on your web app.
Simple Customizable Modal Dialog JavaScript Plugin – popupmodal.js
popupmodal.js is a vanilla JavaScript plugin helps you create responsive, customizable modal dialog popups with ease.
Pretty Animated Popup JavaScript Library – x0popup
Just another JavaScript popup library which creates animated, good-looking and highly customizable popup windows to replace the native alert, confirm, prompt dialog boxes.