Alliance Online: A membership organization dedicated to excellence in nonprofit management of governance.

ARNOVA: An membership organization focused on nonprofit management, volunteerism and philanthropy.

Association of Consultants to Nonprofits: The trade association of the nonprofit consulting industry.

Center for Nonprofit Management: The Center for Nonprofit Management fosters healthy neighborhoods and communities by improving the performance of nonprofit organizations addressing critical issues and serving underserved populations. This center is primarily involved in California nonprofit issues

Change Leaders: Executive coaching consulting firm.

Independent Sector: A large membership organization committed to developing positive change through nonprofits, foundations and corporate giving programs.

Guidestar.com: A host of information for people to find about other nonprofits (universities, foundations, libraries. etc). It is also a main resource to find out about an nonprofit’s 990 or 1023.

National Center for Charitable Statistics - Wiki: A wiki designed by the NCCS for the tax form 990 and its recent redesign.

National Council of Nonprofit Associations: Membership association of nonprofit associations which serve regional and state nonprofit agencies.

The National Council for Voluntary Organizations: UK-based umbrella organization who promotes and support organizations in the community and voluntary sectors.

NetSquared.org: Organizations which helps socially oriented organizations to use technology tools to promote their mission.

Nonprofit Academic Centers Council: “membership association comprised of academic centers or programs at accredited colleges and universities that focus on the study of nonprofit organizations, voluntarism and/or philanthropy.”

Nonprofit Centers Network: The Nonprofit Centers Network is a community of Multi-tenant Nonprofit Centers and their philanthropic, government, academic and real estate partners.

Nonprofit Good Practice Guide: One stop shop for information on nonprofit management issues.

Nonprofit Panel: “The Panel on the Nonprofit Sector is an independent effort by charities and foundations to ensure that the nonprofit community remains a vibrant and healthy part of American society.”

Nonprofit Times: leading business publication on nonprofit management