Karsten Schmidt > library developer > toxiclibs
http://toxiclibs.org/  
Jonathan Feinberg > library developer > peasycam
http://mrfeinberg.com/peasycam/
Andreas Schlegel > library developer  > controlP5
http://www.sojamo.de/libraries/controlP5/
Satoru Sugihar > library developer  > iGeo
http://igeo.jp/
generative Gestaltung > library developer > generativedesign
http://www.generative-gestaltung.de/codes/generativedesign/index.html#download
Nervous System 
http://n-e-r-v-o-u-s.com/education/simulation/index.php
supermanoeuvre 
http://www.supermanoeuvre.com/blog/?p=498
Jose Sanchez
http://www.plethora-project.com/2011/09/12/processing-tutorials/
http://probotics.wordpress.com/tutorials/
ETH_CAAD
http://www.processing.arch.ethz.ch/Practice/Practice
Proxyarch
http://www.proxyarch.com/wiki/index.php5?title=Main_Page
Muehl_Seife
http://muehlseife.blogspot.com
Yiannis Chatzikonstantinou
http://www.volatileprototypes.com/
Dominik Strzelec
http://echoechonoisenoise.wordpress.com/