MacGap is a lightweight WebKit wrapper for HTML apps, allowing you to distribute web applications as desktop apps.
For more information on MacGap, please see its repository.
gem install macgap macgap macgap  DIR
macgap --name MyApp --output ./build ./public
This will build
MyApp.app in the specified
The directory (
DIR) you specify should contain a file called
index.html which will be loaded when the application starts.