AlfaVille - Object library including parametric people and car objects for ArchiCAD 6.0 and up, with online ordering and downloadable demo.Integrated CADD Services - Provides ArchiCAD based solutions for architects.
GDL Alliance - An independent, international professional association consisting of GDL authors, software developers, and building product manufacturers.
arkiKlub - A resource site for ArchiCAD users, including tutorials, tips and tricks, downloads, online support, and discussion forums for registered members.
ArchiRADAR - Resource site for ArchiCAD users, with GDL objects, and a mailing list [more information in italian language].
Objects Online - ArchiCAD - A catalog of 2D and 3D objects and symbols for ArchiCAD with online ordering.
The Australian ArchiCAD User Group - The AU Group offers training, tips and tricks, downloads, tutorials, user group meeting information, galleries and links.
ArchiCAD Webring - A list of ArchiCAD related sites.
GetStandardized.com - Featuring a template system, an object library, and free tutorials for ArchiCAD.