Groups:
f/stop Heidelberg
Photoportale
Fotoii
Lumifaktur

Photo Friends:
Dale Cotton's Daystarvisions
Nick Hermanns
Uschi Koethe
Marbon
Willi Morali
Stefan Steinbrecher
Erol Taskoperan

Photo Sites:
Luminous Landscape
Open Photography Forums

Publications:
Ostkreuz
Neocollective
Zone Zero

Gallery:
New Work Photo Gallery

Blog:
Joerg Colberg's Weblog