QCad Community Edition is an open source edition of RibbonSoft's CAD system. QCad is a 2D CAD application that aims at being simple enough for anyone to use - even users with no previous CAD experience. Compared to the Professional edition the Community Edition has no scripting or poly-line support - also features are a few months behind. Features include layers, dxf files import and export, many flexible drawing tools and precise selection tools.