Great blog on photography

http://valentinsama.blogspot.com/

FriendFeed.com

http://friendfeed.com/

Scott’s Top Five List For Everything!

http://www.scottkelby.com/blog/?s=font

Nalperion copy protection

http://www.nalpeiron.com

Hydra HDR Tool

http://www.creaceed.com/hydra/

National Geographic Photo Tips

http://photography.nationalgeographic.com/photography/photo-tips

Photomontages for those who are still stuck with windows

http://www.photodex.com/products/proshowgold/

RPMBuild crash course

http://perso.b2b2c.ca/sarrazip/dev/rpm-building-crash-course.html

sproutcore - Cocoa for the Web

http://www.sproutcore.com/

1arte

The best place to find out Spain photo contests is: http://www.1arte.com/concursos.php?estilo=5

Open source data integration

http://www.xaware.org/

Promoting photography online

http://thetravelersnotebook.com/photography-q-a/how-to-promote-your-travel-photography-online/

Publish PDFs online

http://issuu.com/