Starting in 1996, Alexa Internet has been donating their crawl data to the Internet Archive. Flowing in every day, these data are added to the Wayback Machine after an embargo period.
LFC.NET Directory: a concise directory of organizations and resources that may be of interest to laissez faire capitalists, technology and liberty-minded individualists.
eLibertarian is a community website where libertarians meet and trade. As David Friedman writes in the chapter "How to get there from here" in The Machinery of Freedom one way of promoting the free society is to develop the institutions of the free market. eLibertarian hopes to be part of that.