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B/Works (Win)
Create old fashioned black and white, sepia, or duotone images. Includes presets for creating a variety of dramatic effects.

CleanSkinFX (Win)
Free tool to retouch portraits photos easily. Smoothes skin while preserving detail in hair, eyes, and background areas.

ColorCastFX (Win)
Free tool to correct color casts and bad exposures from digital cameras. Tested for Canon cameras, but many digital cameras produce images with similar problems.

Digital Camera Enhancer (Win)
This free tool improves digital camera images by reducing noise and automatically adjusting color balance.

FilterSIM (Win)
Simulates traditional Kodak Wratten color correction filters to warm or cool the tone of your digital images.

HotPixels Eliminator (Win)
This free tool eliminates "hot pixels" and blue noise, common problems that appear in dark night shots taken with consumer digital cameras. Also see BlackFrame NR for another hot pixels removal method.

Image Enhance (Win)
A small free tool to apply a number of image enhancement filters to your pictures. Adjust brightness, invert, mirror, adjust contrast, add and remove noise, sharpen, and many more.

Photo Wizard (Win)
Import photos and manipulate them in a number of ways. Add special effects, crop and resize, enhance colors, remove red-eye, add captions, print photo layouts, and more. Freeware.

PhotoFreebies (Win)
"PhotoFreebies is a collection of free plugins for performing useful photo manipulations and effects (e.g. sepia effects, saturation gradients, b/w conversion, color space transformations and many more)."

Polaroid Dust & Scratch Removal (Win/Mac)
Dust & Scratch Removal Software from Polaroid.

RGBLights (Win)
Produce close-up photography with professional lighting effects using your digital camera, tripod, any small lamp, and this free software.

Topaz DeJPEG (Win)
Topaz DeJPEG is a free Photoshop plug-in that removes JPEG compression effects in images. It also contains a Sharpen function.