BASICS

avast
Antivirus
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Tip: Using online accounts
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Tip: Strong passwords
Online password manager
keepass-win
Offline password manager for Windows
keepass-mac
Offline password manager for Mac

CELL PHONE

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Tip: Control sharing data
Encrypted call and chat
Encrypted chat with your usual account
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Tip: Password and encryption
applock
Lock you apps with password, PIN code, pattern, or fingerprint

E-MAIL, CHAT

thunderbird
Encrypted e-mail on Mac
Encrypted chat with your usual account
Encrypted e-mail in the browser
Encrypted e-mail service
protonmail
Encrypted e-mail with 2-step verification

BROWSING

Blocking trackers
Blocking trackers
Secure connection to websites
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Tip: Use search engines that don't track you
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Tip: Control your browsing data
Anonymous browsing

DATA STORAGE

Encrypted file storage in the cloud
Encrypted file storage in the cloud
File encryption on Mac
pcloud
Encrypted file storage in the cloud for all OS