Photobie
(http://www.photobie.com/):
is a very user-friendly tool for both new bees and also professionals for image editing. This software is absolutely free to use, and you don’t have to pay for anything, even if you have to upgrade.
Photo! Editor
(http://pho.to/editor/): This software comes up with a wide variety of image editing features. If you have a digital camera and you frequently correct the photos you take, this software is an ultimate need for those as it provides great convenience. Like many other image editing tools, you can use the red eye removal features, but the differentiating thing in this software is that you can add different kinds of effects or even funny caricatures. Also, you can enhance the quality of the image by minimizing the blur feature so that you can make a portrait for your home if you want to.
Photoscape
(http://www.photoscape.org/ps/main/index.php): This software is one of the most widely use applications for image editing. The interface is very user-friendly, and there are pre-defined effects that you can use to resize images, add brightness or even apply different filters to the software. Also, Photoscape allows you to current images like colour adjustment or light correction so that you can get the optimized image you want.
Photo Pos Lite
(http://www.photopos.com/PhotoPosLiteInfo.asp): The software is a lite version of the famous pro version with which you can easily edit and enhance the existing quality of your pictures with ease. The pictures can be optimized for printing, and you can also convert them into different other formats. This software also supports scanners and cameras, so the output can be directly edited right after the scanning process. In addition to these features, you can draw and use the painting tools to even edit the way you want. You can also add special effects and filters, draw shapes and other image editing stuff using the same Photo Pos Lite.
PaintStar
(http://wang.zhenzhou.googlepages.com/): This software is another multipurpose image processing tool that is specially designed for tweaking photos and morphing images. This software can also be used as screen-capturing software.
Helicon Filter
(http://www.heliconsoft.com/heliconfilter.html): If you are new to image editing, then this is one of the best tools available with the easiest image editing techniques. In this software, beginners are guided step by step so that they can learn image editing techniques.
MAGIX Xtreme Photo Designer
(http://magix-xtreme-photo-designer.software.informer.com/): If you are looking for software that can edit files quickly and accurately, then MAGIX is the right kind of software. This software helps in converting your ordinary photos into high-end pictures which look like professional images. Through a series of simple clicks, you can edit and add effects to your existing image in a very short span of time.