FilmAffinity is a movie recommendation system where users rate, critique and categorize films and series. The system provides for registered users a list of users with similar ratings.

ownCloud, Inc. provides an open source platform to sync, share, and view data and files. The company’s platform enables to sync and view contacts, calendars, and bookmarks across various devices and allows editing right on the Web. Its platform also enables businesses to host their own, on premises, or remote cloud storage. The company was incorporated in 2011 and is based in Lexington, Massachusetts with an international office in Germany.

Open source platform for community discussion and forums created by Civilized Discourse Construction Kit, Inc. a company incorporated in 2012 and based in the United States.

Gitorious is a web-based hosting service for collaborative free and open-source software development projects that use the Git revision control system. The name also refers to the free and open-source server software that the Web site is developed and hosted on. History Gitorious was started by Johan Sørensen in the end of 2007 as a way to easily host Git repositories for himself.

Global resource about hitchhiking written by hitchhikers. This is not about paid ride shares, this is about the real thing, traveling with no or almost no money.

WikiEducator is a community project working collaboratively with the Free Culture Movement towards a free version of the education curriculum by 2015.

Howtopedias objective is to become the reference for people looking for resources for empowerment. The platform promotes simple technologies in all areas of daily life. howtopedia focuses on a bottom-up strategy. It collects and disseminates self-help resources and know-how in order to facilitate the local self-organization worldwide in four languages: English, Español, Français, Português.

Global community that co-creates practical knowledge on production and design of renewable energies and sustainable energy sources. The vision of the energypedia knowledge commons platform is “a world of free knowledge exchange and mutual learning on renewable energies in which everyone has access to sustainable energy sources.” On energypedia.info anyone can create and revise articles on renewable energy technologies, approaches and projects as well as energy efficiency.

SocialCompare.com is an innovative sharing community that allows users to consult, create, modify and share comparisons in any domain

Inspired by a love of sharing, Guerilla Translation facilitates access to valuable ideas in uncertain times. Guerrilla Translation is a collaborative hub for authors and translators to network and share stimulating ideas internationally. Our aim is to model a cooperative form of global idea-sharing, by enabling a platform and method for opening dialogues. Although GT offers the same range of services as a traditional translation agency, it is anything but. Material is chosen for translation according to its social and environmental value, not its profit potential.