I nice site for (more advanced) users that want to improve their privacy, with numerous alternatives to privacy-invading softwares:
Prism Break - Opt out of global data surveillance programs
Help make mass surveillance of entire populations uneconomical! We all have a right to privacy, which you can exercise today by encrypting your communications and ending your reliance on proprietary services.
Found on another interesting site that offers alternatives to popular commercial software that invades your privacy too: Switching Social