Readium SDK & JS
These are the two original projects of the Readium Foundation and both are still on active maintenance by the Readium community, a community in which EDRLab plays a large part since its creation in 2015.
What is ReadiumJS?
There are two parts to ReadiumJS:
- A Readium Chrome Extension which is available from the Chrome Web Store. It is one of the most full-featured EPUB 3 Reading Systems available.
- A cross-browser (as opposed to a Chrome Extension) implementation (known as the CloudReader) based on essentially the same sources but with a different viewer/application front end.
In addition, all of the source code for both the Chrome Extension and the CloudReader can be downloaded from github as source code and modified to suit.
More information about ReadiumJS can be found on the Readium documentation website.
All of the ReadiumJS sub-projects are available under the BSD open source license.
What is the Readium SDK?
More information about the Readium SDK can be found on the Readium documentation website.
Note that the Readium SDK Core C++ library is dual-licensed: publicly via Gnu Affero General Public License Version 3 (a license which contains terms incompatible with use in closed-source software including a copyleft provision), and via an based on the Apache License which provides additional rights targeted to commercial adopters utilizing Readium SDK in closed-source software, including not having any copyleft provision. For more information on Readium SDK licensing see this link.
What is the development status of Readium SDK & JS?
The current stable version of Readium (both SDK and JS) is 0.25 and its release notes are found here.
More information on how to contribute to the development can be found here.