RedshiftGUI might be a bit more popular than ScreenTime. We know about 1 link to it since March 2021 and only 1 link to ScreenTime. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
I believe once SIP is disabled most virtual cameras should work (that's how this works at least). You also might be able to use OBS to stream a webpage or whatnot as a virtual camera. Source: almost 3 years ago
I've been using Redshift GUI up til now, has a brightness adjust which is the only thing I use, situationally. Source: almost 2 years ago
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