Open content projects

Wikirating is a free, collaborative platform for credit ratings that aims to provide a transparent source for credit ratings of countries, companies and structured products.

Open Badges is the name of a group of specifications and open technical standards originally developed by the Mozilla Foundation with funding from the MacArthur Foundation.

OpenCola is a brand of open-source cola, where the instructions for making it are freely available and modifiable.

OpenSeaMap is a software project collecting freely usable nautical information and geospatial data to create a worldwide nautical chart.

Free Beer, originally known as Vores øl - An open source beer (Danish for: Our Beer), is the first brand of beer with an "open"/"free" brand and recipe.

LibriVox is a group of worldwide volunteers who read and record public domain texts creating free public domain audiobooks for download from their website and other digital library hosting sites on the internet.

OpenROV (open-source remotely operated vehicle) is a low-cost telerobotic submarine built with the goal of making underwater exploration and education affordable.

The Open Content Alliance (OCA) is a consortium of organizations contributing to a permanent, publicly accessible archive of digitized texts.

Open Game Art is a media repository intended for use with free software game projects.

Openclipart is a community and collection of vector clip art that is free content.

Wikimedia Commons (or simply Commons) is an online repository of free-use images, sound, and other media files.

Terms of Service; Didn't Read (ToS;DR) is a community project that aims to analyze and grade the terms of service and privacy policies of major internet sites and services.

Comunes is a non-profit organization with the stated aims of encouraging the Commons and facilitating the grassroots work through free/libre web tools.

The Open Siddur Project (Hebrew: פרויקט הסידור הפתוח‎‎, IPA: pʁojeqt hassidduʁ hapatuaħ) is an open-source, web-to-print publishing and digital humanities project intent on sharing the semantic data of Jewish liturgy and liturgy-related work with free-culture compatible copyright licenses and Public Domain dedications.

riscos.info is a web site for users of the RISC OS operating system, run by Peter Naulls and John Tytgat.

Open Font Library is a project devoted to the hosting and encouraged creation of fonts released under Free Licenses.

The Open Content Project was a project dedicated to creating and evangelizing Open content.

The History Commons is a web site and organization that documents events and issues of great social and political significance, focusing primarily on events and issues from the 1970s to the present day.

Freesound is a collaborative repository of Creative Commons licensed audio samples with more than 230,000 sounds and 4 million registered users (as of February 2015).