Inkscape, Vector Graphics Editor
Inkscape is an open-source vector graphics editor similar to Adobe Illustrator, Corel Draw, Freehand, or Xara X.
Why Inkscape? Well, the thing that sets Inkscape apart from other vector graphics editor is it’s native support for Scalable Vector Graphics (SVG) format.
Inkscape supports many advanced SVG features (markers, clones, alpha blending, etc.) and great care is taken in designing a streamlined interface. It is very easy to edit nodes, perform complex path operations, trace bitmaps and much more. We also aim to maintain a thriving user and developer community by using open, community-oriented development.
If you’re into vector graphics editing, then do check out Inkscape! It is available for Windows and Mac.
You can download this freeware from here: Download Inkscape