DVDVideoSoft Image Convert and Resize - Free Image Convert and Resize is a compact yet powerful program for batch mode image processing.
ImageOptim - Faster web pages and apps.
Ralpha Image Resizer - High-speed image batch conversion tool
Transmit - Transmit is an FTP client for Mac OS X and Mac OS Classic (which is unsupported).
ImBatch - ImBatch is a batch image processor with a nice graphical user interface.
CodeKit - CodeKit allows you to optimize the performance of your website by automatically and efficiently compiling a variety of popular languages.