1)   11view 2.6
11view is a free, fast and easy image viewer with several unique features. It shows, prints and converts images with the highest possible quality.

 2)   HomeImage Viewer 1.0.0
The program helps you to to view the image files on the Mac.

 3)   Best Free Image Converter 3.0
Image Converter can convert image type and change image size and add watermark and add frame, It supports 30 kinds of image formats, such as BMP, WBMP, JPEG, PNG, TIF, GIF, PCX, TGA, ICO, PSD, JP2, J2K, DCX, and PDF, et al.