International non-profit organization dedicated to encouraging the growth and development of free content, multilingual, wiki-based projects, and to providing the full content of those projects to the public free of charge. - Read more

Represents the collaborative efforts of a group of organizations from around the world. List of contributors, call to participate, FAQs, and press releases. - Read more

Read entire books online which were published under various forms of "open" copyright. - Read more

Aims to consult, design, educate and advocate interoperable data portability to users, developers and vendors. Provides information about the project for users, developers, and executives, news, frequently asked questions, and how to get involved. - Read more

A collaborative knowledge base built on structured data harvested from many sources, including individual wiki contributions. An API and a database dump are provided for programmers. - Read more

A forum to exchange information on publications and websites of potential interest to the readers of the journal, Information Research, an open access, refereed, electronic journal covering the information field generally. - Read more

Jordan Hatcher blogs about the law as it relates to open content, including the Creative Commons and Creative Archive licences. - Read more

Open Knowledge Foundation project to provides a set of legal tools to help people provide and use open data. Site includes, project information, licences, FAQs, and advocacy material. - Read more

Reason for being: "facilitate the prolific creation of freely available, high-quality, well-maintained Content." Content = everything but software. - Read more

Registry of textbooks and related materials which are free for anyone to use, reuse and redistribute. Run by the Open Knowledge Foundation. - Read more