ResizePixel is a free online image editor where simplicity is essential feature. It is designed to crop, resize, flip, rotate and convert images to various formats. The service is mobile-friendly, fast and easy to use.
Color View Finder - Real time color palette from your iphone camera
ImBatch - ImBatch is a batch image processor with a nice graphical user interface.
A Color Story - The photo app to colourize your life
Batch Image Resizer - Resize, crop, shrink, flip, exif-rotate, convert, enhance, process multiple pictures and photos with professional software! 120+ Actions, 30+ Image Formats
Trigraphy - Photo editing app that allows you to make mosaic/abstract looking art.
DVDVideoSoft Image Convert and Resize - Free Image Convert and Resize is a compact yet powerful program for batch mode image processing.