http://www.w3.org/2001/Annotea/
Annotea is a WebAnnotation project under development by the WorldWideWebConsortium.
Annotea utilises ResourceDescriptionFramework to store the annotations.
<b>Interfaces:</b>
- [Amaya] - WorldWideWebConsortium""'s WebBrowser with an AnnoteaClient built in
- [Annozilla] - for MozillaBrowser
- [Snufkin] - for InternetExplorer
- [Annogates] - for InternetExplorer
- [Javascript Interface] - seems to be defunct at the moment
The AnnoteaProject is part of the W3C's move towards a SemanticWeb.
See CritLink or AnnotationEngine other WebAnnotation systems.