Privacy-checklist

Arguing that you don't care about the right to privacy because you have nothing to hide, is no different than saying you don't care about free speech because you have nothing to say.

Edward Snowden

Blog article: https://blog.ston3o.me/protect-your-privacy/

Self-hosting
Free Softwares
Operating System
Phone
Passwords
Block Advertising
Browser
Mail
VPN
Anti-Forensic
Encryption
Backups
Other Resources

Self-hosting

Self-host a Google Alternative
Self-host a Google Hangout/Skype Alternative
Self-host a Google Analytics Alternative
Self-host a Google Calendar Alternative
Self-host a Twitter Alternative
Self-host a Dropbox Alternative
Self-host a Slack Alternative
Self-host a Trello Alternative
Self-host a Gmail Alternative

Free Softwares

Use alternatives to proprietary softwares - alternativeto.net

NOTE: Free Software gives everybody the right to use, study, share and improve software.
This right helps support other fundamental freedoms like freedom of speech, press and privacy.

Operating System

Disable your webcam - disable-webcam.sh
Don't use Windows 10, It's a privacy nightmare
Keep your OS and apps update
Use open-source operating system
Use a secure operating system - Tails OS or Qubes OS

Phone

Use secure SMS application - Signal
Use open-source Operating system - LineageOS
Detect attacks of fake base stations (IMSI-Catcher) on your GSM/UMTS network - AIMSICD
Android application to monitor your physical room in your absence - haven
Anonymously send & receive SMS messages - Anonymous BTC SMS

Passwords

Check if you have an account that has been compromised in a data breach - haveibeenpwned.com
Use a stateless password management solution - Master Password

Block advertising

Set unified hosts file to block fakenews, gambling, porn, social, adware & malware - hosts
Install a browser plugin to prevent third parties from tracking you - uBlock Origin