Yelp for Foundations—charities rate foundations on a variety of criteria: https://nonprofitquarterly.org/2017/08/29/at-last-rate-your-grant-seeking-experience-at-grantadvisor-org-the-yelp-for-reviewing-foundations/?utm_source=Daily+Newswire&utm_campaign=20f9623f6f-EMAIL_CAMPAIGN_2017_8_29&utm_medium=email&utm_term=0_94063a1d17-20f9623f6f-12442753