I know there are plenty of software missing from here. This is just a fun infographic I made, no need to take it seriously :)
Good question! There are hundreds of good resources, some of which include Privacy Guides and my friends at Punching Up Press (they have a lot of other good infographics). Naomi Brockwell TV is a YouTuber with some great beginner friendly videos to guide you step by step. Let me know if you're interested in others!