Super tiny size multi-touch gestures library for the web. γγγYou can touch this β
a browser detector
JavaScript (engine) Version Updater
Modernizr is a JavaScript library that detects HTML5 and CSS3 features in the userβs browser.
Browser sniffing gone too far β A useragent parser library for JavaScript
A platform detection library.
Useragent parser for Node.js, ported from browserscope.org