WebDesktop (wdOS) is the easy way to make desktop apps with web languages and nothing else!
Installing apps is as easy. All you need to do is unzip the app in this folder Documents/wdOS/App/
With WebDesktop you can broadcast a website or files on your local network or over the internet with router configurations. (You may need to play with firewall settings)
WebDesktop even comes with a very basic web browser.(not currently in mac addition)
** Many more update and a marketplace for apps will becoming in the near future!