Sodipodi is a open source vector graphics drawing program.
Main features:
+ Load and save subset of SVG vector graphic format.
+ Import png, bmp, jpeg, gif bitmaps.
+ Export png bitmaps with full alpha transparency.
+ Print with full or simulated alpha transparency.
+ Full transparency support for both vector and bitmap objects.
+ High quality antialiased text.
+ Rectangle, ellipse, freehand and text tools.
+ Full-featured path editing.
+ Arbitrary transformation of shapes, bitmaps and text.
+ Grouping, ungrouping, combining and splitting of objects.
+ Multiple simultaneous documents and multiple views per document
+ Direct xml document editing.