These pages list some valuable resources for digital imaging.
They are by no means exhaustive, but will
provide a good starting point for further browsing.
The market-leader in digital imaging software probably needs no introduction, probably needs no link either, but this list wouldn't be complete without it...
camerabits.com produces the quantum mechanic noise reduction plugin and photo mechanic image browsing software. Not the quickest software, but available for mac, as well as windows and support of high-end cameras...
Digital Light & Color produces software for photography including a plugin called Color Mechanic Pro, which incorporates a different-than-usual approach to selective color corrections...
The makers of the well known Flash player. Several software titles available, some of which support photoshop plugins, predominantly aimed at web-publishing...
MicroFrontier makes the ColorIt! image editing software which also supports photoshop plugins. In addition they develop several other digital imaging software as well...
PowerRetouche creates Photoshop compatible plugins most of which are specifically aimed at digital photography. Plugins are available for both Mac and Windows...