Here's a roundup of the Web's best free graphics software. Whether you're a professional artist or someone who's just wanting to learn about computer graphics, you'll find a program to fit your needs below. Some of these programs will help you create graphics; others will help you organize the image files on your hard drive. If you're a Web page designer or you're doing business presentations or you just would like to create some cool 3D art, you'll find free programs here that can assist you.
One of the handiest freeware programs around, this multimedia and graphics viewer can handle any type of file you throw at it: from GIFs to MP3 to Adobe Photoshop files, as well as a lot of obscure formats. (For Windows).
Looking for an image editor, but can't afford Photoshop? GIMP is a powerful, free and open source graphics editor that offers sophisticated image manipulation tools and is suitable for such tasks as photo retouching, image composition and image authoring. GIMP is available for multiple operating systems, including Windows, OS X, Linux, and more.
A free, powerful, vector graphics editor that is similar to Adobe Illustrator and Corel Draw. Inkscape is a handy application for creating logos, illustrations, diagrams, charts, complex paintings, and art which requires high scalability.(For Windows, Mac and Linux).
This free graphics program offers a full-featured painting tool with a huge set of pre-defined, realistic brushes. The program is suitable for beginners or advanced users and it has an intuitive user interface. Artweaver Free may be used for non-commercial and academic purposes only. A commercial version of the program (Artweaver Plus) offers more features. (For Windows 7 or later).
Are you interested in 3D graphics, but find the whole process too involved and complicated for a novice? Then check out Alice. It's a free 3D "Interactive Graphics Programming Environment." Alice can be used for creating many types of applications, including interactive games, animations and virtual reality environments. It has a moderately steep learning curve. Basically, if you've messed around with BASIC before or built a spreadsheet, you can handle Alice. (For Windows).
Have you ever needed to know the dimensions of a window on your screen, or the size of an image? Meazure is a useful freeware screen measurement, magnification and capture tool. It's easy to use and offers loads of features. (For Windows).
POV-Ray (the Persistence of Vision Raytracer) is a high-quality, free program for creating sophisticated 3-D graphics. Has a steep learning curve, but is worth the time you invest in it, if you're serious about learning about ray-traced graphics. Available for Windows, DOS, Mac and Linux.