Online Reference & Bibliography

Official site and documentation
Processing documentation
Libraries

Tutorial/Examples
Examples by topic
OpenProcessing free sketches
Learning processing by Daniel Shifman
CAN Tutorials

Books
- Processing: A Programming Handbook for Visual Designers and Artists by Casey Reas and Ben Fry
- Learning Processing: A Beginner’s Guide to Programming Images, Animation, and Interaction by Daniel Shiffman
- Getting Started with Processing by Casey Reas and Ben Fry
- Programming Interactivity by Joshua Noble
- Processing, O’Reilly Basics by Erik Bartmann
- Form + Code by Casey Reas, Chandler McWilliams and LUST
- Visual Complexity: Mapping Patterns of Information by Manuel Lima
- Beautiful Visualization: Looking at Data through the Eyes of Experts by Julie Steele
- Making Things See by Greg Borestein
- Making Things Talk: Using Sensors, Networks, and Arduino to see, hear, and feel your world by Tom Igoe
- Data Flow 2: Visualizing Information in Graphic Design by Robert Klanten