Tutoriais

Postgresql
http://andersonmedeiros.wordpress.com/2011/03/17/download-workshop-postgis/
Geoserver
http://andersonmedeiros.wordpress.com/2011/01/03/workshop-geoserver/
Varios (Geoserver; Openlayer; Postgresql; etc
http://workshops.opengeo.org/

Blogs sobre SIG

http://luiscarlosmadeira.blogs.sapo.pt/
http://blog.viasig.com
http://geodivagar.blogspot.com/
http://blogdoarcgis.blogspot.com/
http://www.geoprocessamento.net/
http://labgeo.blogspot.com/
http://opensourcegis.org/
http://en.wikipedia.org/wiki/List_of_geographic_information_systems_software
http://sigproject.weebly.com/soluccedilotildees-software-open-source.html
http://www.osgeo.org/
http://wiki.osgeo.org/wiki/Portugal
http://lisboa.sigaberto.org/index.php?option=com_content&view=frontpage&Itemid=1&lang=pt
http://www.freegis.org/database/?cat=0
http://lisboa.sigaberto.org/
http://sigaberto.org/
http://blog.viasig.com/2009/05/balano-open-source-para-sig/
http://mapeandoobrasil.blogspot.com/
http://blog.sandrobatista.com/
http://gfoss.sigabertojavascript:void(0).org/
http://andersonmedeiros.wordpress.com/
http://xeoinquedos.wordpress.com/
http://geoinformacaonline.com/
http://geosaber.blogspot.com
http://ramonrlp.blogspot.com/
http://www.fernandoquadro.com.br/html/
http://www.clickgeo.com.br
http://blog.geoprocessamento.net/
http://profmarcello.blogspot.com
http://planet.osgeo.org/
http://www.guiasig.com.br/index.html
http://percursoaleatorio.blogspot.com/
http://www.geosaber.com.br/
http://www.cartografia.cl