Simple, Client-side "Add to Google Calendar" link generator web app.
You can use this app on the hosted on github.
Or install locally and use.
You should have node.js, npm and bower installed. You can install with bower:
$ bower install https://github.com/decomaan/google-calendar-link-generator
Copyright (c) 2014-2016 Sergey Sadovoi, Decomaan MIT license.