Inkscape is the most popular alternative Adobe Illustrator, CorelDraw, or Xara X. Inkscape v0.48.1 is vector graphics editor with easy to use streamlined interface, with capabilities similar to Adobe Illustrator, CorelDraw, or Xara X, using the W3C standard Scalable Vector Graphics (SVG) file format supporting many advanced SVG features (markers, clones, alpha blending, etc.). It is very easy to edit nodes, perform complex path operations, trace bitmaps and much more.

Download Inkscape v0.48.1 stable release