Below is the catalog of notable competition-list sites in alphabetical order.


akichiatlas.com (http://www.akichiatlas.com/) (Pay-site)
Archinect (http://bustler.net/index.php/archinect/)
Architect Online (http://www.architectmagazine.com/content.asp?articleID=364571&sectionID=1016)
The Architect's NewsPaper (http://www.archpaper.com/competitions.htm)
theArchitectureRoom.com (http://www.thearchitectureroom.com/index.html)
ArchitectureWeek Design Competitions Page (http://www.architectureweek.com/cgi-bin/calendar.cgi?d)
bustler.net (http://bustler.net/)
competitionline.de (http://www.competitionline.de/) (in German only)
deathbyarchitecture.com (http://www.deathbyarchitecture.com/searchCompetitions.html?method=SearchPublic)　Get their RSS (http://www.deathbyarchitecture.com/competitions/rss_2.0) or ATOM (http://www.deathbyarchitecture.com/competitions/atom_0.3) feed and search no further!
Europaconcorsi (http://europaconcorsi.com/) (in Italian only)
the RIBA competitions office (http://www.ribacompetitions.com/)
telescoweb.com (http://event.telescoweb.com/taxonomy/term/5) (in Japanese only)


Thanks Kevin, Michel, compete and Jimmern for valuable information.

Thx a lot. I've been looking for sites like this.