German taxes:

 

Taxation of German rental income

Pinkernell: Excellent information on German and US taxation

Tax links

Lemaitre

Tax advisor Martin Brune: Pages of my tax office specialized on expats

 

 

 

German social security:

 

social-security: Excellent overview on contributions and refunds

 

 

Global taxes:

Global tax help                     

taxsites.com

 

 

Expats:

 

Expatica: Everything for expats

Expat Access: Very good pages showing all necessary information for expats

 

 

German News:

 

Der Spiegel

Handelsblatt

Financial Times Deutschland (in German)