AnarchistStudies.org - The Institute for Anarchist Studies (IAS), established in 1996 to support the development of anarchism, is a grant-giving organization for radical writers and translators worldwide
BlackRoseFed.org - The Black Rose Anarchist Federation is a political organization with locals across the U.S. with a shared vision of building popular power in our workplaces, neighborhoods, and schools toward the goal of libertarian socialism.
AnarchistAgency.com - Agency was created by a group of anarchists with experience in communications and public relations work for anarchist projects, activist movements, non-profits, and for our waged jobs. It is organized by a cross section of US-based anarchists.
AnarchistsStudiesNetwork.org - support network for people working on, or incorporating in their work, the field of anarchism in its many forms. Based in the UK.
AnarchyPlanet.org - a place where anarchists and their friends can find each other, learn about anarchism, discuss ideas, and be linked to the universe of anarchy
AFund.info - collective solidarity structure supporting active anarchists around the world who are persecuted or attacked because of their political ideas or activities, or who find themselves in a difficult life situation.
Libraries & Distros
TheAnarchistLibrary.org - an archive focusing on anarchism and anarchist texts, providing high quality online web browser versions of the texts along with various other formats, like PDFs, plain text, HTML, EPUB, and XeLaTeX.
Spunk.org - The Spunk Library was an effort from 1992 to ~2000 to collect and distribute Libertarian Socialist material in electronic form, mostly through the Internet, Fidonet and other computer networks. In 2010 the spunk.org website disappeared from its hosting provider. This is a mirror.
UppingTheAnti.org - Upping the Anti: A Journal of Theory and Action is a volunteer-run movement journal based in Toronto since 2005 publishing theoretical and critical articles, interviews, and roundtables
TangledWilderness.org - collectively-run publisher of stories, games, comics, podcasts, how-to guides, essays, and theory
PsychologicAnarchist.wordpress.com - an effort toward the synthesis of voluntaryism, neuroscience, and psychology by Sterling Luxan, a professional writer, editor, research assistant, and aspiring counseling psychologist.
NoBlogs.org - Connecting radical people. Non commercial, antifascist, antisexist, privacy-oriented blog platform
Audio
Anarchy.Radio - a project by Anarchy Planet that provides free podcast hosting for anarchists and like-minded people