ProPublica is more than investigative journalism. They have a big database of non-profits and a list of their 990's. 

Muckety is a great site for figuring out who knows whom. 

NonProfit PRO is the go-to site for leadership and strategy information. 

Does your nonprofit use volunteers? VolunteerHub is a wonderful way to organize and thank them, and integrates with most fundraising software.

Media Impact Funders keeps you in the know about the rapidly changing world of social media, film, journalism and other news.

Network for Good sells donor management software, and also has a lot of informative posts and blogs.

CASE - the Council for Advancement and Support of Education - keeps you in the know about the latest trends in alumni development and campaigns. 

Classy is one of my favorite resources for basic fundraising information. Great platform for campaigns! 

Inside Philanthropy is subscription-based but allows several free articles per month. And it's worth it.

The Agitator always has something interesting and provocative to say about the art and science of fundraising. He too is subscription-based but well worth it.  Great archives.

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