NeoPaint is a full featured artist's studio for Windows that's easy-to-learn, powerful and affordable! It's simple enough for beginners yet packed with powerful features and advanced tools. NeoPaint makes it easy for business and home users to touch up photographs...

Saint Paint is the ideal paint package for creating and editing True Colour, 256 colour, 16 colour, and Monochrome graphics, and animating in any mode or combination of modes, with AVI editing support. It features all the essential graphic tools you'll need in everyday use...

• ImageForge Standard Freeware Edition:

ImageForge provides you with a set of powerful tools for painting and editing images, photos or other graphics.Create and edit images, acquire pictures from your scanner, digital camera or other Twain-compliant device, apply special effect.

Project Dogwaffle lets you be creative without the fear of messing up your clothes. No sudden spills, no funny fumes. You can paint, erase it, and try again, and again, and again......

scri.ch is a hackable, open source and minimal drawing tool. Learn more about tips and hacks on http://about.scri.ch/

Photo editing program that as well as the usual tools has some unique & cool features too.

PhoXo is small and free image editing application. It's tiny, fast, easy to use, can be treated as a mini PhotoShop. Its features include layers, undo, over 50 special effects, batch processing, and a wide variety of useful and powerful tools for selecting, crop, painting...

web 2.0 image tool for converting images online and apply effects like crop, resize, filters ... have a try it's free !

RealWorld Paint is an free portable image/photo/animation editor. It supports layers with styles and can import and export Photoshop, GIMP and Paint.net images with layers.

Picsay is a award winning photo editor for Android. Spice up the pictures on your mobile phone and share them with your friends.

Blazing fast Free online image editor tool to adjust brightness, contrast, hue, saturation, gamma etc. Drop your image in tool and start editing using image filter controls. No signup and no restriction to use this tool.

Pro Paint for Mac is the realistic full-featured digital art software that is used for painting, image editing, vector drawing, free-form transformation, cropping, alpha channel editing, and more specialized tasks.