Top 3 alternative sites to fundraise.com
Grantmakers.io - A Community Project
Quickly find data on 93,000 grantmaking institutions in the US. A free, open source project.
501c3Lookup.org - U.S. IRS 501(c)(3) Non-profit List
501(c)3 Lookup Tools. Complete, searchable list of IRS registered 501c, non profit organizations and charities
Nonprofit Organizations, 501c3 Lookup, and Form 990 Search - TaxExemptWorld
TaxExemptWorld is a 501c3 lookup resource to search, view, and download information on nonprofit organizations. See details on assets, income, deductibility status, form 990s, and ...