Enblend Software - Enblend is a tool for compositing images. Given a set of images that overlap in some irregular way, Enblend overlays them in such a way that the seam between the images is invisible, or at least very difficult to see. Enblend does not line up the images for you. Use a tool like Hugin to do that.

Exposure Software - Exposure brings the look and feel of film to digital photography. Simulate the warmth and softness of real world film, both color and black and white. Reproduce realistic film grain, and simplify your digital photography workflow.

F-Spot - F-Spot is a full-featured personal photo management application for the GNOME desktop (http://www.gnome.org/).

Gallery 2 - Nice way to put your photo albums on the web. Free (as in beer, and as in frreedom).

GIMP - The greatest free photoshoplike software imaginable. Open Source photoshop.

hugin - With hugin you can assemble a mosaic of photographs into a complete immersive panorama, stitch any series of overlapping pictures and much more.

Lightroom Killer Tips - Video tutorials and tips about using Adobe's new software Lightroom.

Phixr - Phixr is an online photo editor with some advanced color correction, despeckling and even allows you to merge photos together.

Picture Cloud - From products to people, picture clouds is a marketing tool that bring photos to life by helping you show anything online from any direction. They are quick, effortless, and free to make by dragging and dropping digital pictures taken around an item into your web browser.

Plogger - Plogger is a simple yet powerful tool -- everything you need to share your images with the world. Plogger is your photos integrated into your website, a fully featured photo sharing package with an attractive and easy to use administrative interface that makes managing your galleries a breeze.

Polaroidonizer - Give your photos that polaroid look.

Rasterbator - The Rasterbator is a web service which creates huge, rasterized images from any picture. The rasterized images can be printed and assembled into extremely cool looking posters up to 20 meters in size.

Snipshot.com - Basic nondestructive editing tools like crop, rotate and resize all online with a Javascript interface. More tools coming soon.