Bowser is a javascript library for detecting browser.
With Bowser you can get browser information, device information (mobile/tablet), OS information (MAC, Windows, linux, iOS, Android, WindowsPhone etc.)
VisitorParser.js is a lightweight javascript-based to analyze visitors with user-agent & ip geo location parser.
UAParser.js is a JavaScript-based User-Agent string parser. Supports browser & node.js environment. Also available as jQuery/Zepto plugin, Bower/Meteor package, & RequireJS/AMD module.
PgwModal is a Browser & OS / platform detection plugin for jQuery.
Features