Corel Draw, Illustrator, Free Hand …. inter, allow Scalable graphics (Vector) without loss of information.
A set of tools “opensource” open source are appearing in major software repositories, situándose as alternatives to value over all en formative stages.
InkScape is a vector drawing program very easy to use, but has a large number of resources and tools to use in different application scenarios.
Inkscape is a vector graphics editor open source, with capabilities similar to Illustrator, Freehand, CorelDraw the Xara X, using the W3C standard: file format Scalable Vector Graphics (SVG). The features supported include: forms, strokes, text, markers, clones, mixtures of alpha channels, transformations, gradients, patterns and groupings. Inkscape also supports Creative Commons meta-data, node editing, layers, complex operations with strokes, vectorization of graphic files, text lines, text alignment, direct XML editing, and more. You can import formats such as Postscript, EPS, JPEG, PNG, and TIFF and exports PNG as well as many vector-based formats. InkScape
|Inkscape: Guide to a Vector Drawing Program|