CreateHope

Helps donors to decide which charity to give to by providing information about thousands of charities, and then lets them donate online quickly and conveniently.
http://www.createhope.org

DonationDepot.com

Offering online services that make researching charities, finding volunteer opportunities, and donating easy, safe and fun.
http://www.donationdepot.com/

Give For Change

Find nonprofit groups working for social change. Hundreds of groups to choose from and provides a secure environment to donate to nonprofit groups online.
http://www.giveforchange.com/

GuideStar

Free service with information on the programs and finances of more than 600,000 American charities and nonprofit organizations.
http://www.guidestar.org/

BBB Wise Giving Alliance

Reports on nationally soliciting charitable organizations (USA) that are the subject of donor inquiries. These reports include an evaluation of the subject charity in relation to the voluntary BBB charity standards.
http://www.give.org

Oneworld.net

An internet community of 978 organisations leading the way for human rights and sustainable development worldwide.
http://www.oneworld.net/partners/

International Organization / NGO Web Sites

Links to WWW, gopher and FTP sites of international NGOs and IGOs.
http://www.uia.org/website.htm

Union of International Associations

Continually updated information on international non-profit non-governmental and intergovernmental organizations and constituencies.
http://www.uia.org/

Scholarly Societies Project

Facilitating access to information about scholarly societies across the world.
http://www.lib.uwaterloo.ca/society/

International Organizations

List of links to world and regional organizations, classified according to area of interest.
http://www.members.tripod.com/~Ken_Davies/international.html

Idealist and Action Without Borders

Over 23,000 nonprofit and community organizations in 153 countries, which you can search or browse by name, location or mission.
http://www.contact.org/

Political Advocacy Organizations

Advocacy Organizations listed by subject and alphabetical order, with brief descriptions.
http://www.csuchico.edu/~kcfount/index.html

MaNGO (Macedonian NGO)

NGO and foundation web directory for Macedonia.
http://www.mango.org.mk/

The Scholarly Societies Project

Directory of scholarly societies across the world.
http://scholarly-societies.org/

Nonprofit Internet Resources

Hundreds of web sites, online directories and useful sources of information for and about nonprofit organizations.
http://www.uticapubliclibrary.org/non-profit/directory.html

Index of International Organizations

Maintained by Northwestern University Library. Mostly governmental organizations.
http://www.library.northwestern.edu/govpub/resource/internat/igo.html