The blog of Monterail, a software consultancy, covering Vue.js, Raspberry Pi office systems, Elixir, and JavaScript tooling.
HN links it for its Raspberry Pi smart office write-up, where a commenter notes the Pis' GPIO relays control office devices, and for its Vue.js reports.
The technical detail blog post has a bit more information. At first I was wondering why they decided to go with an RPi instead of a few enterprise servers, and it looks like they're utilizing the GPIO interfaces to interact with relays to power some of it.
https://www.monterail.com/blog/2016/smart-office-raspberry-pi
My most useful PWAs are local websites. City transport, government websites etc.
These sites never make their own native app because they cannot afford to maintain those apps.
Websites and PWAs are great and cheap compared to apps.
But it is not hard to google?
https://www.monterail.com/blog/pwa-examples
https://www.monterail.com/blog/famous-companies-using-elixir