Wikibooks
Wikibooks is an open content collection of textbooks, annotated texts, instructional guides, and manuals.
Contributions to Wikibooks are licensed to the public for reuse under CC-BY-SA and GFDL. Non-text media may be contributed under a variety of different licenses that support the general goal of allowing unrestricted re-use and re-distribution.
Importing text to Wikibooks that is found elsewhere is only permissible if it is available under terms that are compatible with the CC-BY-SA license. (Source: Wikibooks/Copyrights)
The Thoth Wiki has been developed in the context of the COPIM (Community-led Open Publication Infrastructures for Monographs) project. Individual contributions to the wiki have been made by Tim Elfenbein, Rupert Gatti, Ross Higman, Vincent W.J. van Gerven Oei, Tobias Steiner and Hannah Hillen under the general editorship of Van Gerven Oei. All data are available under a CC-BY 4.0 license.