IrfanView is a fast image viewer and converter that supports animated GIFs and many other image formats.IrfanView supports the following formats: AIF, ANI, BMP, CAM, CLP, CPT, CUR, DCX, DIB, DJVU, EPS, FlashPix, RLE, JPG, GIF (including animated GIF), PCD, PCX, PNG, TIF, IFF/LBM, LWF, PSD, TGA, RAS, ICO, AVI, WMF, EMF, PBJ, PBM, PGM, PPM, PCD, PSP, and XBM/XPM. IrfanView can convert images between most of the supported formats, either individually or in batch mode.IrfanView can also perform some basic image editing and processing functions, including cut, crop, resize, resample, change the color depth, adjust brightness, and adjust contrast. It has command line options and it can display images in a slideshow and extract frames from ANI files, AVI movies and animated GIFs
Acrobat Distiller 
Adobe Photoshop 
CardScan 
Selfish Net 
iVMS 4200 
uPLAY by Ubisoft 
Hard Time
SKARCHEN
Really good.
DoKA
The best photo viewer!
dev
1/10 because you need to give me 10 dollars.
Just kidding. Really good tool!