ImBatch - ImBatch is a batch image processor with a nice graphical user interface.
Fluid - Turn Your Favorite Web Apps into Real Mac Apps.
Ralpha Image Resizer - High-speed image batch conversion tool
ToDesktop - Convert your web app to a desktop app in 2 minutes.
Batch Image Resizer - Resize, crop, shrink, flip, exif-rotate, convert, enhance, process multiple pictures and photos with professional software! 120+ Actions, 30+ Image Formats
Web2Desk - Web2Desk is a tool to convert your favorite websites to Desktop app in just one click.