Anti-aliasing of all objects and full transparency control, as well as Web specific features such as GIF and JPEG saving. DeBabelizer - A superbly versatile graphics conversion and color manipulation program. Available for both Windows and Mac, this veritable Swiss army knife of graphics tools supports more file formats and allows more ways to tweak a color palette than any other program. Fireworks - A suite of text, design, illustration, image editing, URL , JavaScript and animation tools. Allows you to create everything for your website, without jumping from application to application.
Designers can optimize and preview final output in every popular format.
The GIMP - General Image Manipulation Program. Has many plug-ins contributed by active developers. Graphics Workshop for Windows - The Debabelizer of the Windows world. Shareware file converter, viewer and manipulator. Supports PNG, GIF89a, JPEG, and MPEG and Quicktime viewing.