ArchSociety
   A global online forum and resource library for architects and architecture students.
   http://www.archsociety.com

Archihub
   A forum for architects and designers to share their knowledge and discuss architecture.
   http://www.archihub.com

Architecture Week Design Community
   This architecture and design web portal provides forums for public communication on world architecture, sustainable design, 3D design and 3D computer graphics.
   http://www.designcommunity.com/

Talkin' About Architecture
   A Yahoo group to express opinions or ask questions about architecture and art. Registration required.
   http://groups.yahoo.com/group/talkinaboutarchitecture/

i-Think
   An online community for the property, architecture and construction sectors, dedicated to professional networking, stimulating debate on sustainability in the built environment and showcasing best practice.
   http://www.i-think.com