Music

• Virtual Sheet Music

  http://www.virtualsheetmusic.com/

Aviation and Parachuting

• Skydive Arizona

  http://www.skydivearizona.com

• Transair Pilot Shop

  http://www.transair.co.uk/

• Jeppesen

  www.jeppesen.com

• Skydive Empuriabrava

  http://www.skydiveempuriabrava.com

• USPA

  www.uspa.org

Miscellaneous

• Interactiu

  http://www.interactiu.com

Learning

• Sarria's Chemical Institute - IQS

  http://www.iqs.url.es/

• Girona's University

  http://www.udg.edu/

• Bell-lloc del Pla

  http://www.bell-lloc.org/

• Singularity University

  www.singularityu.org

• IESE Business School

  http://www.iese.edu/es/home.asp

Country

• Besalú

  http://www.besalu.cat

• Barcelona

  http://www.bcn.es/

• Girona

  http://www.girona.cat

Solidarity

• The Children's Dream Foundation

  http://www.elsomnidelsnens.com/

• IBO Foundation

  www.fundacionibo.org

Meteorology

• Aviation Weather

  http://euro.wx.propilots.net/

Astronomy and Cosmology

• Stellarium

  http://stellarium.org/

• www.space.com

  www.space.com