XnView (v1.98.5/1.70) is an efficient multimedia viewer, browser and converter.

XnViewMP beta 0.39 for MacOSX/Linux/Windows

XnView shell extension (v3.10) is an extension for windows explorer.

NConvert (v6.00/4.51) is an image converter in console mode.

XnView Pocket (v1.40) is an efficient image viewer, browser and converter for PocketPC.

XnView Smartphone (v1.10) is an efficient image viewer, browser and converter for Windows Mobile Smartphone.

GFL SDK (v3.40/2.40) is a powerful library for developers who would like to support graphics image formats easily.

GFLAx (v2.80) is a powerful ASP component to manage graphic images.

FixPicture is a powerful free online utilty to convert graphic images.