Links:

http://www.rae.es  
Real Academia Española de la Lengua - RAE Web Site, the highest authority of Spanish language.

http://www.xe.net/currency  
Currency Converter.

http://europa.eu.int/eurodicautom/Controller
Eurodicautom, EU's dictionary.

http://el-castellano.com
Spanish Language Home Page - dictionaries, grammar, literature, congresses, issues and debates, Spanish in sports, forums, Spanglish, virtual newsstands, radio.

http://www.timeconverter.com
Time Zone Converter.