Anders Transhuman Page:One of the first transhumanist sites and still very comprehensive. Features an introduction to transhumanism and five detailed topic areas: Individual, Global, Cultural, Technological, and Organizational.
'Transhumanism', by Julian Huxley: Full version of the 1957 essay in which the word 'transhumanism' was used.
Anarcho-Transhumanism: A synthesis of anarchism and transhumanism, centered on the attainment of political, economic, and biological freedom.
Betterhumans: News, articles, and links related to scientific advances in human improvement.
Changesurfer Radio: Weekly program about technology and politics, produced by Dr. James J. Hughes, transmitting a high-tech vision of a radically democratic future. Frequent topics includes biotechnology, bioethics, space, science fiction, sexuality, and radical politics.
Cyborg Democracy: Blog and essays that approach progressive politics from a transhumanist perspective.
Extropy Institute: Transhumanist group which advocates using technology to extend healthy life, augment intelligence, optimize psychology, and improve social systems.
Homo Multifarius: Unique speculative perspective on the possibility of individual humans sharing multiple brains.
Mind Uploading: The putative future process of copying one's mind from the natural substrate of the brain into an artificial one, manufactured by humans.
The Advent Of Humanisation: Suggesting that the human race has a certain genetic potential - an inherent capacity to create a particular form of society - which is now close to realization.
Wikipedia: Category: Transhumanism: Definition, history, and various topics.
World Transhumanist Association: Explores possibilities for the "posthuman" future created by increased merging of people and technology via bioengineering, cybernetics, nanotechnologies, and other emerging innovations. Offers an academic journal, e-zine, FAQ, discussion lists, and references.