http://www.worldvolunteerweb.org/
The World Volunteer Web is brought to you by the United Nations Volunteers (UNV) programme.

http://www.volunteermatch.org/
Find volunteering opportunities with non-profit organizations by location and interest area.

http://www.timebank.org.uk/
Find out about how you could volunteer. Here they make sense of all the different types of volunteering work, they put you in touch with the right opportunities.

Europe

http://www.atlha.it
http://www.yap.it/
Opportunities for volunteers who can speak Italian.

http://www.afsai.it/
AFSAI provide hosting placements for young people whishing to volunteer in Italy.

http://www.aui-ong.org/
Do you speak French? Find volunteer opportunities on this website.

http://www.ibg-workcamps.org/
IBG organises work camps in Germany, Austria and Liechtenstein, in which it receives international participants sent by partner organisations.

http://www.friedensdienst.de
If you speak German you can search for volunteering opportunities on this site.

http://www.seeyn.org/
The vision of SEEYN is to achieve a stable Southeast Europe region with developed mutual understanding.

http://www.asf-ev.de
Action Reconciliation Service for Peace sends every year around 180 women and men in countries who suffered under the Nazi regime, and also hosts international volunteers in Germany.

http://www.do-it.org.uk/
The first, and still the only national database of volunteering opportunities in the UK.

http://www.csv.org.uk
Th UK's leading voluntary and training charity.

http://www.camphill.org.uk
Campwill communities in England and Wales help people with learning disabilities, mental health problems and other special needs to live.

http://www.radar.org.uk
Disability campaigning organisation in the UK, find voluntary opportunities under job opportunities.

http://www.volunteerscotland.org.uk
http://www.vds.org.uk
In Scotland, there are thousands of opportunities to volunteer.

http://www.volunteerglasgow.org
Programmes in Glasgow, in Scotland and in the UK.

http://www.edinburghvolunteers.org
A database full of interesting and varied volunteering opportunities available in and around Edinburgh.

http://www.glasgowsimon.org
http://www.aberdeen-cyrenians.org
http://www.cyrenian.co.uk
http://www.simoncommunity.org.uk
Organizations supporting homeless people in the UK.

All around the world

http://www.cicd-volunteerinafrica.org/
Find an opportunity to have a life changing experience for yourself and the people in Africa you work with.

http://www.interaction.org/
InterAction is the largest coalition of U.S.-based international nongovernmental organizations (NGOs) focused on the world’s poor and most vulnerable people.

www.unesco.org/ccivs
Co-ordinating Committee for International Voluntary Service which can help you to find a placemnet.

http://www.eastlinks.net/
This website can be a good starting point to search for opportunities.

http://www.alliance-network.org/
The Alliance of European Voluntary Service Organisations is an international non-governmental youth organisation that represents national organisations.

http://www.avso.org/
European platform of non-profit organisations offering opportunities for long-term full-time international and/or national voluntary service.

http://www.afs.org/efil
A non-profit, volunteer based, educational organisation offering exchanges for students, young adults and teachers in over 50 countries around the world.

http://www.experiment.org
The worldwide network of the experiment in international living.

http://www.icye.org
ICYE is an international non-profit youth exchange organisation promoting youth mobility, intercultural learning and international voluntary service.

http://www.sciint.org
Service Civil International provides a network where volunteers can choose from thousand of projects all over the world, but mainly in Europe and Asia.

http://www.yap.org
Youth Action for Peace is an international peace movement which aims for societies of peace, justice, and self determination.

http://www.ifor.org/
IFOR provides young people with the skills and opportunities to become active peacemakers.

http://www.vides.org/
International volunteerism association is a Christian based international organization.

http://www.eirene.org/
Eirene - International Christian Service for peace.