Freelancers Union has an excellent tool named Client Scorecard for rating clients: https://be.freelancersunion.org/client-scorecard/ https://be.freelancersunio

Freelancers Union has an excellent tool named Client Scorecard for rating clients: https://be.freelancersunion.org/client-scorecard/ https://be.freelancersunion.org/client-scorecard/ It's anonymous and well-curated, if a little thin as of yet.