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Bitcoin

Bitcoin is a peer-to-peer payment system and digital currency introduced as open source software in 2009 by pseudonymous developer Satoshi Nakamoto. It is a cryptocurrency, so-called because it uses cryptography to control the creation and transfer of money

R

R is a language and environment for statistical computing and graphics. It is a GNU project which is similar to the S language and environment which was developed at Bell Laboratories (formerly AT&T, now Lucent Technologies) by John Chambers and colleagues. R can be considered as a different implementation of S.

Ourproject

Ourproject.org is a web-based collaborative free content repository. It acts as a central location for offering web space and tools for projects of any topic, focusing on free knowledge. It aims to extend the ideas and methodology of free software to social areas and free culture in general. Thus, it provides multiple web services (hosting, mailing lists, wiki, ftp, forums…) to social/cultural/artistic projects as long as they share their contents with Creative Commons licenses (or other free/libre licenses).

Sourcefabric

Sourcefabric is a not-for-profit organisation based in Prague, Czech Republic, with branches in Berlin, Germany and Toronto, Canada and representatives in Minsk, Guatemala, Warsaw, Belgrade and Cluj. Sourcefabric was spun off from the Media Development Investment Fund's Campware project in May 2010. It develops open source software for independent news media organisations. Its software products formerly included Campsite and Campcaster.

SETI@home

SETI@home ("SETI at home") is an Internet-based public volunteer computing project employing the BOINC software platform, hosted by the Space Sciences Laboratory, at the University of California, Berkeley, in the United States. SETI is an acronym for the Search for Extra-Terrestrial Intelligence. Its purpose is to analyze radio signals, searching for signs of extra terrestrial intelligence, and is one of many activities undertaken as part of SETI. Everyone can participate by running a free program that downloads and analyzes radio telescope data obtained.

Peer to peer University (P2PU)

Peer to Peer University (P2PU) is a nonprofit online open learning community which allows users to organize and participate in courses and study groups to learn about specific topics. Peer 2 Peer University was started in 2009 with funding from the Hewlett Foundation and the Shuttleworth Foundation, with its first of courses in September of that year. An example of the "edupunk" approach to education, P2PU charges no tuition and courses are not accredited.

n-1 (Lorea)

Free self-managed social networks: N-1 is one of the nodes of Lorea.org, a project that aims to create a distributed and federated organization of autonomous entities. We are developing social software for activist networks, we desire visibility but not to give up our privacy and security

Crowdcrafting

CrowdCrafting is a free, open-source crowd-sourcing and micro-tasking platform powered by the PyBossa software. This platform enables people to create and run projects that utilise online assistance in performing tasks that require human cognition such as image classification, transcription, geocoding and more. CrodCrafting is there to help researchers, civic hackers and developers to create projects where anyone around the world with some time, interest and an internet connection can contribute.

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There are currently 385 Commons-Based Peer Production cases!