Hardware & software:
- Craft at https://www.craft.do for $45/year from Leo Laporte.
- Shadow at https://shadow.tech for $29.99/month from Andy Ihnatko.
- WWDC Sessions at https://developer.apple.com/wwdc21/ for free from Rene Ritchie.
- Blackmagic Design HDMI to SDI 6G Mini Converter for $145 (Amazon Affiliate Link) from Alex Lindsay.