WildlifeDirect is set up to transfer donated funds from all around the world, quickly and efficiently, to where they are intended in their entirety - net only of bank fees. To do this it is separately registered as charities in the US, UK and in Kenya, and its commitment to conservationists and donors is total transparency. Online volunteer bloggers are required to help out.  Visit site

WWISA is a community-focused organisation that aims to harness the energies of the international volunteer movement to support the development of independent and sustainable projects that respond to the identified needs of under-privileged communities, assisting them in the enhancement of existing skills and the acquisition of new expertise to sustain and further such projects, thereby promoting the development of fully fledged, well-informed, productive citizens in democratic South Africa.  Visit site

The WCV is a non-profit organization registered in the state of NY. Winant Volunteers are American citizens of all ages (over 18), who since 1948 have traveled to the UK as a group, exporting their enthusiasm and energy to English grass roots community service programs.  Visit site

Workaway.info is a site set up to promote fair work exchange between budget travellers, language learners or culture seekers and families, individuals or organizations who are looking for help with a range of varied and interesting activities.  Visit site

Working For Children (WFC) is a local non-governmental organization assisting vulnerable children, orphans, their families, and the rural schools in the Siem Reap Province in Cambodia. WFC looks for volunteers to help in a number of areas: teaching English, coaching sports teams, decoration, labor & building work.  Visit site

EUROPARC Federation, the umbrella organization of Europe's protected areas, places young professional interns to work in a variety national and nature parks, biosphere reserves and other protected areas.  Visit site

World Corps Kenya is a nonprofit, non-governmental organization,  concerned about poverty, particularly the lack of access to energy, information and economic opportunities in rural areas of developing countries.  Visit site

World Endeavors is a provider of unique international volunteer, internship, and study programs. Our mission is to become a catalyst for positive change in our community and the world through quality international programs.  Visit site

WorldTeach is a non-profit, non-governmental organization that provides opportunities for individuals to make a meaningful contribution to international education by living and working as volunteer teachers in developing countries. Currently we have yearlong or summer programs in China, Costa Rica, Chile, Ecuador, Guyana, Namibia, South Africa, Marshall Islands, Pohnpei, Poland and Venezuela.  Visit site

Worldwide Helpers puts people from all walks of life three clicks away from finding an inspiring cause to donate their time - at no or minimal costs. It aims to eliminate the middleman and create a transparent platform to bring together individuals seeking to volunteer with communities in need.  Visit site