In this repo you can find some free, open source and privacy applications and services to stop use proprietary spyware. If you have other advices, suggestions or apps/services which I can add it to this document please contribute or open an issue.
Also look on privacytools.io and LinuxCafeFederation's list
- Change proprietary apps on your Android phone to FOSS alternatives.
- You can change stock ROM to custom ROM without Google Play Services (GApps).
- Install applications from F-Droid instead of using Google Play Store.
Change Windows or macOS to GNU/Linux, BSD or any other FOSS operating system.