Two commercial plug-in filters that I've recently added to my toolbox are Test Strip by Vivid Details and Xenofex by Alien Skin . Both offer unique tools for the digital darkroom enthusiast. Overall, Test Strip's interface and design provides for quick and easy image adjustments. It's one of the best and most productive plug-in packages I've seen for tweaking digital photographs. Test Strip is a color correcting plug-in filter that is available in both Mac and Windows versions.
Test strip offers a variety of views that display effects before they are applied.
The thumbnail view is shown here. Test strip offers a variety of ways to view the results of combining multiple effects before you apply them. You can also save your settings and recall them in subsequent sessions using an editable list. Overall, Test Strip's interface and design provides for quick and easy image adjustments. It's one of the best and most productive plug-in packages I've seen for tweaking digital photographs.