Yahoo! Groups - Opera Collection of groups devoted to various aspects of opera. http://dir.groups.yahoo.com/dir/Entertainment___Arts/Performing_Arts/Opera?show_groups=1

Opera Talk Chat forum. http://www.opera-talk.com/

Digital City: Opera Message Board Message board organized by opera companies and events across the US. http://home.digitalcity.com/opera/

Operamom Web Community Support group for professional singers (opera or otherwise) with children: message board, chat, articles, links. http://operamom.com/

Taylor, Steve - Opus Criticism of opera, theater and Broadway shows. Also his own writings and music compositions. http://www.stevetayloropus.net/