Charity Navigator
Charity Navigator works to guide intelligent giving. They help charitable givers make intelligent giving decisions by providing information on more than two thousand charities and by evaluating the financial health of each of these charities.

Foundation Search
FoundationSearch.com is a complete and fully searchable, online database of all U.S. Foundation (Form 990-PF) information returns. Also includes New Foundation Watch, a searchable database of all newly-registered foundations.

Giving Institute (formerly American Association of Fundraising Counsel)
Since 1935, the American Association of Fundraising Counsel and its member firms have embraced and embodied the core values of ethics, excellence, and leadership in advancing philanthropy. Serving clients of every size and purpose, from local institutions to international organizations, AAFRC member firms embrace the highest ethical standards and maintain a strict code of fair practices.

Council on Foundations

The Council on Foundations (COF) is a membership organization of more than 2,000 grantmaking foundations and giving programs worldwide. We provide leadership expertise, legal services and networking opportunities - among other services - to our members and to the general public