Idealist - Extensive directory of non-profit and volunteering resources and organizations.
Internet Resources for Australian Activists - Both specific to Australia as well as more general issues.
Jay's Leftist and 'Progressive' Internet Resources Directory - A topical directory of websites.
PolicyExperts.org: The Heritage Foundation Resource Bank - Directory of conservative policy experts and organizations. Searchable by issue and keywords.
Political Information - Directory and search engine for politics, policy, and grass roots causes.
Academic Freedom Links - Comprehensive listing of websites relating to social and political issues, sorted by category.
Best Information on the Net: Hot Topics - List of resources organized by topic compiled by the librarians at St. Ambrose University.
HILS: The Humanitarian Interest Links Site - Portal for professionals, volunteers, and others interested in humanitarian issues, with a focus on development and peace studies.
Norbert's Bookmarks for a Better World - Links on peace, human rights, social justice, the environment, military, conflict regions, women, education, religions, economy, and politics.
Zenzibar Alternative Culture Directory: Politics and Government - Wide ranging perspectives included from new age to far left.
SchNEWS: Contacts and Links - Directory of issues and activist links, with a UK focus.
Cafe Progressive: Alternative Web Guide - Issues oriented directory of websites.
The Homeless Search Engine - Database of homeless resources and organizations. Search by area or keywords.
Left, Right and Center - Links to liberal, conservative and moderate perspectives.
FutureAustralia.net - Focused on social change and environmental activism.
Hillwatch Think Tanks - Directory of Canadian and international public policy think tanks.