Global Museum - The International Museum Webzine
http://www.globalmuseum.org/

ICOM Virtual Library Museums Pages - A distributed directory of online museums
http://icom.museum/vlmp/

MuseumStuff - Links to museum websites and virtual exhibits, educational games and activities, and learning resources
http://www.museumstuff.com/

24 Hour Museum - The National Virtual Museum Celebrating UK Culture
http://www.24hourmuseum.org.uk/

Virtual Museum of Canada
http://www.virtualmuseum.ca/

UMAC - Worldwide Database of University Museums and Collections
http://publicus.culture.hu-berlin.de/umac/database.html