Photo Retouching- Tutorials, Tips and Tricks for Professional Digital Artists

Cellsea - Upload pictures from your computer or from an URL. It provides over 15 ways to correct color, exposure, and lighting problems. 

Fauxto - Advanced online photo editor with an interface similar to Photoshop’s 

MyImager - Upload images from your computer and from anywhere on the web and edit them freely with the dozens of tools and filters available. 

OnlinePhotoTool - Edit pictures taken from your hard drive as well as images that are already on the Internet. 

Phixr - Edit your pictures and directly upload them to Flickr, Fotopic, Livejournal, Photobucket, Fotolog.com, Buzznet and Dropshots. 

Picnik - Photo editor with many interesting features which is directly connected to many photo sharing sites. 

Picture2Life - Edit pictures available on the Internet or taken from your hard disk. You can also import images from popular photo sharing sites. 

Pixelmator - Pixelmator is a photo editing service for Mac users. The design is superb and intuitive. There are selection tools, paintbrushes of various size and shape, retouching tools, layering and much more. You can enhance photos, analyze colors, add text, create stylized scenes with halftones and image blurring. 

Pixenate - Online photo editor with many special effects. You can also integrate Pixenate on your website and allow visitors to edit images. 

Preloadr - Photo editor with good image manipulation functions that is connected with your Flickr account. 

SnipShot - Edit photos from your hard-drive, your Webshots account, or your Flickr account in one place, and then save them back to any of those locations. 

XmgImg- Image hosting service that provides an interface for users to manage, edit, and share their images online.