Safe content
This content can be viewed with only free/libre software.
Dangerous content
This content requires proprietary software to run.
YouTube will attempt to spy on you. Use Invidious and LibRedirect.
Proprietary software (including games) is malware. Only attempt to run those games or VNs if you have a spare computer that is not connected to the Internet and doesn't store any personal data. Reformat the hard drive after you finish a game.
Download
To download the recommendation as a spreadsheet, follow this link.