There is XULRunner, which let's you build GUI apps like Firefox using JavaScript and XUL. It has a lot of extension to JavaScript though, using XPCOM. They also offer Prism which let's you build web apps that work offline, sort of like AIR. Yahoo uses it for their Zimbra email desktop client.
与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…