Simplex, the best and most private messaging app so far.
Public Wifi is certainly useful but try these safety precautions before blindly connecting to them.
CBDC's represent one of the greatest threats to your freedom.
Get used to the idea. It is perfectly fine and will help you a great deal.
Learn about the Bitcoin Lightning network, it is quite possibly the future of micropayments and day to day transactions.
Start9 Labs provide a brilliant self hosting solution. Better than keeping documents in a cloud you do not control.