Everyone has heard of Adobe Photoshop. It is one of the most popular and expensive image editing programs you can buy. For those of you who do not have the hundreds of dollars to plop down on software I have compiled a list of nice photo editing applications you can use instead.

Cross-Platform

Gimp

While GIMP (GNU Image Manipulation Program) is a nice graphics editor it is an excellant tool to retouch and edit images.

Inkscape

Another great, free graphics editing program. Inkscape is actively developed and new features are added regularly.

Windows

Paint.Net

This Microsoft Windows only graphics editiong program was developed on the .NET Framework. It provides many powerful image editing tools.

Pixia

A freeware bitmap graphics editor developed in Japan. Has several nice features including native Wacom table support.

Mac

Seashore

An opensource image editor for Mad OS X. Seashore is based on GIMP and provides support for many different file formats.

ChocoFlop

While development on this graphics software has stopped it is still a very nice, fast image editor for Mac users.

Online

Snipshot

Offers basic editing tools and image adjustments in a nice interface.

Picnik

This online photo editing site is one of my favorites. Has functonality that allows you to easily import and share photos from sites like Facebook and Flickr.

Pixlr

An advanced online photo editor that provides a nice looking, easy to use interface.

Pixer.us

Has a simple interface that allows you to easily crop, rotate, and adjust the brightness, contrast, and saturation of your photos.

There are many more applications you can use to edit your photos but these are some of the better ones out there. If there is one you love to use but is not on the list please share it in the comments.