Every mortgage calculator I could find couldn't answer most relevant questions. Is it better to put more down or invest the money? When is buying points worth it? Do mortgages affect your taxes? Are VA fees justified? So I put together https://realratecalculator.com/ to quickly find out.
But you know that ProtonMail trouble? Even seeing metadata like IP addresses, who's talking to who, is invasive and dangerous. So it uses a websocket with the server and negotiates WebRTC data connections with peers to create an onion-routing peer-to-peer metadata-hiding network