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 confirm
Draggable & Maximizable Dialog Window Library – jsWindow
jsWindow is a feature-rich popup library to create draggable, minimizable/maximizable popup windows for alert/confirm dialogs and message boxes on the screen.
Multifunctional Modal Library With Pure JavaScript – gModal
gModal is a multifunctional modal library used to create responsive, fully configurable alert, confirm, and prompt modals in an easy way.
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.
iOS Style Loading Indicator & Alert/Confirm Dialog Plugin – Popup.js
A native JavaScript popup component that help developer create iOS style loading spinners and alert & confirmation dialog boxes on the web application.
Hold To Confirm Interaction In JavaScript – sweetconfirm.js
An awesome confirmation interaction concept that enables the user to confirm an action by clicking and holding on a confirm button.
Modern Material Design Dialog Generator In Pure JavaScript – duDialog
duDialog is a pure JavaScript plugin for creating Material Design inspired alert, confirmation, selection dialog popups without any dependencies.
Custom Alert/Confirm/Prompt Popup Box JavaScript Library – attention.js
attention.js is a vanilla JavaScript plugin used for creating custom alert, confirm or prompt dialog boxes on the page.
20 Modal Dialog Appearance Effects – xdialog
xdialog is a JavaScript library to create modern alert/confirm modal popups with 20 cool appearance effects using CSS3 transitions and transforms.
Vanilla JavaScript Alert/Confirm Modal Dialog Library – Modal.js
Modal.js is a vanilla JavaScript library for creating highly customizable alert and/or confirmation dialog boxes using plain JavaScript.