This is an awesome list of places to find Processing examples:
These are listed in no particular order.
- http://www.openprocessing.org/
- http://formandcode.com/code-examples/
- http://hello.processing.org/gallery/
- https://github.com/Autophagy/crystalliser
- https://github.com/Blokatt/ProcessingStuff
- https://github.com/bobvk/sketches
- https://github.com/dimkir/SongPlay11
- https://github.com/DomonJi/InteractiveStarryNight
- https://github.com/friedkeenan/DisintegratingImage
- https://github.com/GlitchCodec/GLIC
- https://github.com/golanlevin/Pattern_Master
- https://github.com/GravitatingGnome/Processing-Pixel-Sorting
- https://github.com/ITPNYU/Glitch
- https://github.com/Introwerks/Introwerks
- https://github.com/ipooponyourart/ipoop
- https://github.com/kimasendorf/ASDFPixelSort
- https://github.com/jeffThompson/CreativeProgramming2/blob/2abf662c300832cf66506f5c3c42c178f0d783f2/Assignments/Week05_Tracking.md
- https://github.com/jeffThompson/PixelSorting
- https://github.com/lee2sman/gritch_booth
- https://github.com/lee2sman/Lee-s-Bidness
- https://github.com/lee2sman/pixelated-photobooth
- https://github.com/lee2sman/photozinemaker
- https://github.com/lee2sman/Selfie-Textual-Poem-Cam
- https://github.com/mad4j/book-mdpc
- https://github.com/mathyoumore/PixelAverager
- https://github.com/mence/GlitchArt
- https://github.com/nerrull/PixelMigration
- https://github.com/nerrull/slitscanner
- https://github.com/no-carrier/ProcessingTextmodeEngine
- https://github.com/pjsolomon/procedural-landscape
- https://github.com/r4dian/Processing-3-glitch-collection
- https://github.com/riebschlager/neobrush
- https://github.com/robbiebarrat/plant-art
- https://github.com/shiffman/LearningProcessing
- https://github.com/Supercolony/matthanns
- https://github.com/tsulej/GenerateMe
- https://github.com/TooManyBees/glitch
- http://www.flong.com/storage/experience/newyear/newyear10/
- https://processing.org/exhibition/works/starnursery/index_link.html
- https://processing.org/exhibition/
- https://processing.org/examples/
- http://learningprocessing.com/examples/
- http://www.c4ios.com/tutorials/processing/
- https://www.ee.columbia.edu/~dpwe/resources/Processing/