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Kopfschlag

Kopfschlag is a collective and anonymous internet-based project created by an anonymous team. The online visitors are part of it by drawing, writing, erasing and sharing their artworks on Kopfschlag's virtual wall, which can be defined as something between an etch a sketch and the exquisite corpse. Everything on this site is licensed under the Creative Commons Attribution license.

OpenPlans

OpenPlans is a non-profit technology based advocacy organization which aims to help to open up government and improve transportation systems. OpenPlans currently has a staff of 50 people.

The Guardian Project

The Guardian Project is a global collective of software developers, designers, advocates, activists and trainers who develop open source mobile security software and operating system enhancements. They also create customized mobile devices to help individuals communicate more freely and protect themselves from intrusion and monitoring.

Wikidata

Wikidata is a free knowledge base that can be read and edited by humans and machines alike. It is for data what Wikimedia Commons is for media files: it centralizes access to and management of structured data, such as interwiki references and statistical information. Wikidata contains data in every language supported by the MediaWiki software. Wikidata is a project of the Wikimedia Foundation: a free, collaborative, multilingual, secondary database, collecting structured data to provide support for Wikipedia, Wikimedia Commons, the other Wikimedia projects, and well beyond that.

Internet Engineering Task Force (IETF)

The Internet Engineering Task Force (IETF) develops and promotes Internet standards, cooperating closely with the W3C and ISO/IEC standards bodies and dealing in particular with standards of the Internet protocol suite (TCP/IP).[1][2] It is an open standards organization, with no formal membership or membership requirements. It started out as a US federal government organization, and today it operates as a non-commercial not-for-profit non-governmental organization. All participants and managers are volunteers, though their work is usually funded by their employers or sponsors.

Rate Your Music

Rate Your Music (or RYM) is an online collaborative metadata database of musical and non-musical releases and films which can be cataloged, rated and reviewed by users. In RYM users rate and catalog releases, as well as write reviews, create lists and add artists and releases to the database.

Waze

Waze is a GPS-based geographical navigation application program for smartphones with GPS support and display screens which provides turn-by-turn information and user-submitted travel times and route details, downloading location-dependent information over the mobile telephone network.

bitmessage

Bitmessage is a decentralized, encrypted, peer-to-peer, trustless communications protocol that can be used by one person to send encrypted messages to another person, or to multiple subscribers. Bitmessage encrypts each users' message inbox using strong encryption and replicates it inside its P2P network mixing it with inboxes of other users in order to conceal user's identity, prevent eavesdropping and protect the network from any control.

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There are currently 383 Commons-Based Peer Production cases!