First download node-webkit for your platform(Not the target platform, the working machine's platform). With node-webkit we can package static webpages into native applications. This can be done for all three desktop platforms.
https://github.com/rogerwang/node-webkit
After downloading place the static website inside a folder along with a package.json file. This package.json is not to be confused with node packages json file. The package.json is used to define the specifications of the app such as title, width and height. Here is a sample: