QCAD
QCAD is an application for computer aided drafting in 2D. With QCAD you can create technical drawings such as plans for buildings, interiors, mechanical parts or schemas and diagrams. QCad uses the AutoCAD DXF file format internally and to save and import files. AutoCAD DWG support is available as a commercial plugin.
QCAD is available in two versions: Community edition and Professional edition. QCAD Community Edition is free and open source. Compared to the Professional edition it 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.
Main Features Layers Blocks (grouping) 35 CAD fonts included Support for TrueType fonts Various Metrical and Imperial units DXF and DWG input and output Printing to scale Printing on multiple pages Over 40 construction tools Over 20 modification tools Construction and modification of points, lines, arcs, circles, ellipses, splines, polylines, texts, dimensions, hatches, fills, raster images Various powerful entity selection tools Object snaps Measuring tools Part library with over 4800 CAD parts Very complete and extremely powerful ECMAScript scripting interface
