Following are annotated links to some useful and interesting websites. This listing is deliberately succinct and selective, only presenting a few favorite sites.
1Password.com offers password manager software, greatly simplifying the use of strong passwords.
DuckDuckGo.com is an Internet search engine that doesn't track you. (Set your browser to use this site for searches instead of google.com.)
Email Self-Defense provides an excellent tutorial on how to install and use free software to provide encrypted email services.
Privacy Guides offers unbiased information and tools that help you protect your privacy against global mass surveillance.
ProtonMail is an email service, providing secure encrypted email. Free and paid options are available.
Surveillance Self-Defense provides a wealth of tips, tools and “how-to” articles for safer online communications.
Tor is a free browser that helps you to experience real private browsing without tracking, surveillance, or censorship.
Daring Fireball is a cogent and thought-provoking Apple-oriented blog. Includes news and rumors.
Double Click is the Macintosh Users Group of Milwaukee. Monthly meetings are free and open to the public and are a great place to meet your fellow Mac users.
NetNewsWire is free and open source software (macOS, iOS and iPadOS) that shows you articles from your favorite blogs and news sites and keeps track of what you’ve read.
Take Control Books offers ebook tutorials about a variety of Apple products and services and third-party software for Apple products.