HubSpot jQuery Messaging Library for 21st Century

HubSpot Messaging Library is Alerts for the 21st century. It show transactional messages in your app. You can easily wrap AJAX requests with progress, success and error messages. You can also add action links to your messages. It works in everything modern, and IE7 and above. It requires jQuery framework.

Requirements: jQuery Framework
Demo: http://github.hubspot.com/messenger/
License: License Free