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Draw and create graphic images, sketches, paintings, or invitations with vector-based graphics.

Give full scope to your imagination with highly scalable, professional-grade artistic and technical vector imagery.

Give full scope to your imagination with highly extensible, professional-grade artistic and technical vector graphics.

Get a high-performance vector and matrix lib for linear systems, signal processing, data fitting.

QGIS supports vector, raster, and database formats.

WinTopo Freeware is a raster to vector imaging tool for home user and office.