Recommendation from the Federal Office for Cybersecurity BACS:
Strong and complex passwords are an important element in adequately protecting access to Internet services. However, such passwords have the disadvantage that they are difficult to remember, which tempts many users to either choose the same password for different services or to systematically create passwords. This in turn significantly reduces safety. The use of a password manager is therefore recommended.
Read more about our recommended password managers
Store passwords centrally, securely and easily – Weihrich Informatik
Read more about the BACS report on the pitfalls and ways to check your password
Week 11: Recycling is good, but not for passwords (admin.ch)