notify.js is a small jQuery plugin that simplifies notification process. Despite its small size it is fully customizable notification library.
stickup is a responsive jQuery plugin that can pin the navigation menu on top of the page. It is specifically designed for single page websites, but it can be re purpose for any type of website.
Ladda a beautiful user interface approach of integrating progress indicators in HTML buttons. It give a nice user experience as it immediately gives feedback to user that his/her requested operation is underway.
SB Admin 2 is a free responsive premium Bootstrap based Admin Panel Template. It features a dashboard template, a web-app UI starter. SB Admin 2 is an enhancement over its old SB Admin Template theme.
Gentelella is a free responsive admin panel template created and managed by colorlib. It is packed with powerful jQuery plugins and built using Bootstrap a solid framework for responsive development.