WebSub Spec in Social Web Working Group
WebAppSec Subresource Integrity
Internationalization Best Practices for Spec Developers
Shared workspace for EPUB 3 specifications.
Repository of the Publishing Community Group
Suborigins
Web Annotation Extensions for Web Publications
Specs and explainers maintained by the editing task force
Vocabulary and context for the Web Publication Manifest
EditContext API
W3C Publication Manifest
W3C Web Publications
The Micropub spec
W3C packaged Web Publications
Use Cases and Requirements for (Packaged) Web Publications
Accessibility related discussions of the Publishing@W3C Groups