Silf

Standard Notes is my choice.

Plusses:

• End-to-end privacy ( end-to-end privacy)
• Open source
• Apps on Mac, Windows, iOS, Android and Linux
• Unlimited devices
• Web Access
• Offline access
• Automatic sync with no limit on data capacity
• Plain text
• Tags
• Search in notes
• If you pay $2.48/month: markdown and a lot of text editors, to-do lists, spreadsheets, encrypted attachments for your notes stored directly in Dropbox or Google Drive, themes, 2FA, note version history, etc.

Minuses:

• They could improve the user interface
• You have to pay for what I said before.

Who or what problems ... (read more)