FrostUI Dialog is a free, open-source Dialog component for JavaScript.
It is built on top of the FrostUI library.
Dependencies
CSS
<link rel="stylesheet" href="/path/to/frost-ui.min.css" />
JS
<script type="text/javascript" src="/path/to/frost-ui-bundle.min.js"></script>
<script type="text/javascript" src="/path/to/frost-ui-dialog.min.js"></script>
Check the demo folder for examples. Full documentation and website coming soon™.