Data and CC licenses
- Various governments using CC licenses for data (mainly Australia maybe)
- Uniprot, see http://sciencecommons.org/weblog/archives/2006/02/09/worlds-largest-protein-db-now-under-cc-license/
- MusicBrainz, see http://musicbrainz.org/doc/MusicBrainz_License
- Freebase
- DBpedia
- OpenStreetMap