Browser: Brave
Search: Brave, Startpage, DuckDuckGo
Passwords: Bitwarden
Mail: ProtonMail (email aliasing: SimpleLogin)
Chat / Messenger: Threema or Signal
2FA: 2FAS, Proton Authenticator
VPN: Proton VPN
Online Backup: Backblaze
Cloud Storage: Proton Drive, Cryptomator with your standard cloud solution, sync.com, iCloud with Advanced Data Protection
File Sharing: Bitwarden Send, Wormhole
AI: Venice (Private ChatGPT, Midjourney alternative), Maple AI, Brave Leo, Proton Lumo
Check your Devices
Check the settings of all your devices (cell phone, tablet, notebook, etc.) to see which apps have access to your data (e.g., location data, photos, contacts, microphone, camera, etc.) and switch off everything that is not necessary for you.