Shameless plug, there is also GraphComment — https://graphcomment.com/en/ — with similar features, and some different ones too. We respect privacy and don’t sell user data.
Disclaimer: I work for this company, as you might have already guessed.
You might consider removing the Facebook Pixel Code script from the webpage otherwise you respect my privacy as much as FB does, and they in fact do sell user data.
Disclaimer: I work for this company, as you might have already guessed.