| Business & Networking | ||
| *** | LinkedIn.com | Contact Page |
| * | Plaxo.com | Contact Page, |
| *** | Xing.com | Contact Page, Invitation Link |
| *** | Live.com | Free/Busy Link |
| China | ||
| * | Schanghai.com | Profil |
| * | Shanghaiexpat.com | |
| Directory | ||
| *** | Delcious | My Bookmarks |
| * | Dmoz.org | JohannesRiedl.com |
| *** | ||
| Personal | ||
| * | Amazon.de | Wishlist |
| ** | golfclub-gaeuboden.de | |
| ** | Imdb.com | TV, Series, Games, 2Watch |
| ** | Junge-Union.de | |
Study |
||
| *** | ||
| * | StudiVZ.de | |
| *** | Munich-Business-School.de | Diploma International Business |
| Business & Technology | ||
| * | BPMInstitute.org | |
| *** | ISTQB.de | Certified Tester Advanced Level Testmanager |
| *** | TocIco.org | TOC Fundamentals |
| *** | ogc.gov.uk - Prince 2 | Practitioner |