The AGD is German professional association for freelance designers of al kind of disciplines.
The AGD is open to designers in all fields, and with approximately 3,000 members it is by far the largest association of designers in Germany - and one of the biggest in Europe. The AGD offers its members advice on all aspects of commercial activity, legal and tax issues. The AGD is the home address for everyone who prefers not to face the challenges of a tight market alone. It provides a platform for regional and national activities of its members, for networking, meetings and constant exchanges of ideas and experiences.
One of their outstanding achievement is a kind of price list for design services of all types, to give designers and their customers an orientation what designing should cost, called the Vergütungstarifvertrag Design (German/ English) : http://www.agd.de/123__3__159.html
Extract for reading : http://www.agd.de/fileadmin/bildmaterial/pdf-download/agd_vtv11_leseprobe-illustration-tabellen.pdf
Another important themes is Sustainable Design. The wrote, published a verified a Charta for Sustainable Design (in German) : http://www.agd.de/657.html
Their website provides information for designers in mostly german on a wide range of subjects relevant to their profession. Free-lancers just starting out will find as much of interest here as experienced designers – though part of the website is reserved for AGD members.