Free download of Inferno and a browser plug-in is available - From this Vita Nuova page you can download a free version of Inferno or order one of the commercial distributions. A plug-in version for Web browsers is also available. - http://www.vitanuova.com/inferno/index.html
Vita Nuova Holdings Ltd. - Inferno: The OS for distributed applications on network devices. Lead distributor for Inferno and Plan 9 OSs. - http://www.vitanuova.com/