Bauwerke
| Archikey | www.archikey.com |
| Emporis | www.emporis.de |
| Great Buildings Online | www.greatbuildings.com |
| The Highrise Pages | www.thehighrisepages.de |
| Skyscaper Page | www.skyscraperpage.com |
| Structurae | www.structurae.de |
| Open Buildings | www.openbuildings.com |
| Workshop Archiv | www.workshop-archiv.de |
| World Building Directory | www.worldbuildingsdirectory.com |
| World Architects | www.world-architects.com |