All work by the GITenberg project is released under an open license.
Our books in the public domain, and we assert no further copyright on them.
Some of our books contain a cover image from the Recovering the Classics project from Creative Action Network. These covers are not in the public domain but are graciously available for use under the Creative Commons Attribution NonCommercial 4.0 License.
Software created by the Gitenberg project is released under the GNU General Public License version 3.