Raspberry Pi - The Raspberry Pi is a tiny and affordable computer that you can use to learn programming through fun, practical projects. Join the global Raspberry Pi community.
ImBatch - ImBatch is a batch image processor with a nice graphical user interface.
Arduino - Build your own electronics
Ralpha Image Resizer - High-speed image batch conversion tool
codebender - The Largest Arduino Playground In The World. Create, share and run your code anywhere.
Batch Image Resizer - Resize, crop, shrink, flip, exif-rotate, convert, enhance, process multiple pictures and photos with professional software! 120+ Actions, 30+ Image Formats