That’s impossible in a generalized way. That would be the same as having an algorithm for truth

Open hardware?

Spacebar is supposed to be a 1 to 1 discord alternative

Good. Facebook should just die.

No, they wouldn’t. The law aims at making it compulsory for companies to add that backdoor, private individuals can still run whatever software they want, they can’t stop you from running a not-for-profit app from some independent developer that doesn’t relay on servers.

This could actually be a good thing, it might end up pushing people to serverless and more decentralized FOSS solutions

for mobile a low effort approach is to simply buy a dumbphone and a faraday bag and you’re good to go.