Check this out. I used it as the client for my home security camera project.<p><a href="https://github.com/alex028502/serverless-security" rel="nofollow">https://github.com/alex028502/serverless-security</a>
Tl;dr delta chat has a chat app front end ui which uses encrypted email as the carrier. There’s no ‘server’ so you’re on your own with keys, backups etc.<p>Sounds like a good idea actually