Mobile Bitcoin wallets - Blitz, Blue wallet, Phoenix

PC wallet - Sparrow

Nodes - Parmanode & Start9

Vpn - Mullvad, IVPN, obscura

Pc os - linux mint, tails os, fedora silverblue

Mobile os - graphene os

App store alternatives - obtanium, f droid

Texting app - simplex chat

E sim service provider - silent.link

Open source rabbit holes