Galleria

Version 2.31, Bitware Australia. Conversion capabilities in registered version.

http://ourworld.compuserve.com/homepages/bitware/

PMJPEG

Version 1.9 only, PixVision Software. No alpha support; claims gamma support. Version 1.83 is the last version available as shareware from the web site; it is not clear whether version 1.9 was actually released or not.

http://www.pixvision.com/html/product_info_1.html

PMView

Version 1.02, Peter Nielsen. Conversion capabilities; claims gamma support. Despite its seemingly interminable pre-1.0 beta period, PMView was probably the most popular image viewer for 32-bit OS/2.[23]

[23] It was definitely my preferred OS/2 viewer.

http://www.pmview.com/