Some developers I admire for various reasons:
http://www.eiswuxe.de
http://www.ktx-software.com
http://www.locomalito.com
http://pixeljam.com
http://www.hempuli.com
http://www.lexaloffle.com
http://www.emv-software.com
http://minotaurproject.co.uk
Back in the old days of the internet, as dinosaurs walked the earth, I created quite a lot of tribute-pages to games and developers I love:
http://nemmelheim.de/classicgames/