Oneworld.net
An internet community of 978 organisations leading the way for human rights and sustainable development worldwide.

Scholarly Societies Project
Facilitating access to information about scholarly societies across the world.

Union of International Associations
Continually updated information on international non-profit non-governmental and intergovernmental organizations and constituencies.

Political Advocacy Organizations
Advocacy Organizations listed by subject and alphabetical order, with brief descriptions.

Give2Net -- Growing a Community for Change
Give2Net is a search engine, resource center, community and content provider for nonprofits, charities and those interested in nonprofit activism.

International Organizations
Collection of links to the websites of various international organizations.

International Organizations
List of links to world and regional organizations, classified according to area of interest.

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.