The fourth Wizards of OS conference, conducted in late 2006, held a panel on “Art as Anticopyright Activism.” A project was born from that panel titled “Public Library”:
Public Library is a mini exhibition of art that engages with information freedom and knowledge commons in a direct, unmetaphorical way. It gathers several art works and projects which critically deal with the increasing commodification of culture and propose or embody alternatives. All those works have been released in the public domain or under free licenses.

Public Library was shown in Berlin and curated by Inke Arns and Florian Cramer. You can find a list of participants in that exhibition on their website.