JavaScript libraries
jQuery The Write Less Do More JavaScript Library

Analytics
Baidu Analytics (u767eu5ea6u7edfu8ba1) is a free tool for tracking and reporting traffic data of users visiting your site

UI frameworks
Powerful extensible and feature packed frontend toolkit Build and customize with Sass utilize prebuilt grid system and components and bring projects to life with powerful JavaScript plugins

Since 1983 developing the free Unix style operating system GNU so that computer users can have the freedom to share and improve the software they use