There's also this https://www.trumpaccountability.net/.

Plus this Washington Post writer who is keeping a list of Trump supporters to keep them from being able to participate in society, hold public office, faculty positions, or be on company boards.

https://twitter.com/JRubinBlogger/status/1324792225260253184

I think it was just a google sheet. This obviously goes against google's policies about doxxing.