Semantically-Interlinked Online Communities
Ontology for online communities — forums, wikis, blogs. Semantic integration across community platforms.
Visit WebsiteBrowse the tree, filter it, or click any class to see just its corner of it.
Where this one tends to earn its keep.
Social media data integration
Forum and blog content aggregation
Online community analytics
Cross-platform content linking
I haven't checked this label against the actual licence text — it's the catalogue's original guess. Check the ontology's own site before you rely on it.
Others worth a look in Web Standards.