Association for Research on Nonprofit Organizations and Voluntary Action (ARNOVA)
http://www.arnova.org
A research organization, “committed to strengthening the research community in the emerging field of nonprofit and philanthropic studies” through conferences, publications, electronic discussions, and special interest groups.

The Brookings Institution
http://www.brook.edu/Press/companion/review_fall2002/brfall2002.htm
A comprehensive site focusing on national service in the United States, highlighting the latest news and resources.

Carnegie Foundation for the Advancement of Teaching
http://www.carnegiefoundation.org/
A national and international center for research and policy studies about teaching and learning including projects on civic responsibility and political engagement.

Center for Information and Research on Civic Learning and Engagement (CIRCLE)
http://www.civicyouth.org/
A research organization dedicated to the civic and political engagement of youth in the U.S.

Independent Sector
http://www.independentsector.org
An organization committed to strengthening non-profit and philanthropic organizations in their work to promote the public good and active citizens.

Institute for Volunteering Research
http://www.ivr.org.uk/
A research institute that develops and disseminates volunteer research and its findings for practitioners and policymakers.

International Society for Third-Sector Research
http://www.istr.org
An international association promoting research and education in the fields of philanthropy, civil society and the nonprofit sector.

The Journal for Civic Commitment
http://www.mc.maricopa.edu/other/engagement/Journal/index.jsp
The Journal for Civic Commitment is a twice yearly journal dedicated to service-learning and civic engagement.

Nordic Youth Research Information
http://www.alli.fi/nyri/index.htm
An organization that maintains a network of activities and information systems for youth research in the Nordic countries.

Pew Research Center
http://people-press.org/
An independent opinion research group that studies attitudes toward the press, public opinion, and public policy issues, including surveys on civic engagement and volunteer activity in the U.S.

Progressive Policy Institute
http://www.ppionline.org/ppi_ka.cfm?knlgAreaID=115
A US-focused think tank dedicated to modernizing progressive politics; the website has a variety of articles and reports related to national service in the U.S.

UC Berkeley Service-Learning Research and Development Center
http://gse.berkeley.edu/research/slc
The Center studies the impact of service-learning on the education field. Its website contains a number of publication titles and evaluation tools.

Alliances for Voluntary Initiatives and Development
http://www.allavida.org
An international development organization that helps people gain skills, knowledge, and resources to promote local action in communities.

Association of Voluntary Service Organizations (AVSO)
http://www.avso.org/en/links/dirinVS.htm
AVSO hosts the Directory of International Voluntary Service, a comprehensive listing of voluntary organizations organized by topic and country.

Charitynet
http://www.charitynet.org
An on-line web resource for listings of non-profit organizations in the field of philanthropy and voluntary action.

EuroDesk
http://www.eurodesk.org/new/index.asp
In coordination with the European Information Centre, EuroDesk is a web resource for information on youth and Europe.

The European Volunteer Centre
http://www.cev.be/index.htm
An association comprising of national and regional organizations throughout Europe, CEV is a forum and networke for information, policy, and research on volunteerism.

Global Youth Service Day
http://www.gysd.net
An annual global event sponsored by Youth Service America and the Global Youth Action Network, the GYSD website contains past reports, organization listings, and an event calendar of youth service around the world.

Innovation Center for Community and Youth Development
http://www.theinnovationcenter.org
The innovation center provides practical tools and resources for foundations and organizations working with community and youth development.

Interaction
http://www.interaction.org
The largest alliance of U.S. based international development and humanitarian organizations, Interaction works with its member organizations to improve practices and debate issues and policies. It maintains a searchable database of related documents and press releases.

International Education and Resource Network
http://www.iearn.org/
A non-profit organization that works with schools around the world to communicate and work collaboratively on service-learning projects that enable young people to be global citizens.

National Service-Learning Partnership
http://www.service-learningpartnership.org
The National Service-Learning Partnership is a national network of members dedicated to advancing service-learning as a core part of every young person's education. Service-learning is a teaching method that engages young people in solving problems within their schools and communities as part of their academic studies or other type of intentional learning activity. The Partnership concentrates on strengthening the impact of service-learning on young people's learning and development, especially their academic and civic preparation. The Partnership supports members sharing resources, organizing change, and sponsoring innovation.

National Service Resource Center
http://www.etr.org/NSRC/
NSRC is your one-stop destination for a variety of information and resources for building effective community service programs.

OneWorld.net
http://www.oneworld.net
An international network supporting people’s media for civil society organizations around the world. An excellent resource for information and organizations around the world.

SERVEnet
http://www.servenet.org
SERVEnet is the Youth Service America’s database of volunteer opportunities searchable by location, interest, and skills. The website also has information on service news, best practices, and calendar events.

Study Circles Resource Center
http://www.studycircles.org/
A resource organization fostering dialogue and problem solving on critical social and political issues, including youth and community programs

USINFO.STATE.GOV
http://usinfo.state.gov/scv/life_and_culture/volunteerism.html
Volunteerism and Philanthropy reports on US based service organizations and their work in the States and abroad.  The website has a complete list of non-governmental organizations in the United States and provides links to US government agencies. 

World Wide Volunteer (WWV)
http://www.isv2001.org/
WWV is an online library about volunteerism and the information society.