Should be able to have an EPUB/Epub based reading and annotation experience on The Lens. Synchronisation with offline mobile/tablet viewers should also be possible along with synchronisation of annotations made on the run.

Readers

• http://futurepress.org/
  • https://hypothes.is/blog/epub-js-bringing-open-annotation-to-books/
• Epub.js https://github.com/futurepress/epub.js
• Readium.org

Monocle/Bookish

• http://monocle.inventivelabs.com.au/
• http://inventivelabs.com.au/booki-sh
• http://booki.sh/
• Example book, Wind in the Willows, https://wind-in-the-5f382f.booki.sh/

Annotations

Open Annotation

• http://openannotation.org/
• https://hypothes.is/what-is-it/ - Not for profit service based on annotator project.
• https://github.com/hypothesis
• http://okfnlabs.org/projects/annotator/
• http://annotatorjs.org/
• http://www.w3.org/annotation/
• http://www.openannotation.org/spec/core/