ZWCAD 2018 is powered by a superior engine to ensure the better .dwg compatibility and code-level API ability. Whats more, it comes with new dark theme UI and many significant new features in some areas of the product.

Axcad is a 100% DWG compatible and AutoCAD command compatible CAD, is another affordable choice for AutoCAD users. Using dwg as native file format, supports AutoCAD 2006 dwg format (from R2.6~2006), supports LISP, ADS development.

Mesh Booleans for AutoCAD is a mesh boolean modeling plug-in for AutoCAD?®. Mesh Booleans for AutoCAD gives AutoCAD the ability to perform boolean operations between PolyFace Meshes, Polygon Meshes and 3D Solids or a combination of all.

Amethyst DWG-2-DWF is a powerful Windows program that enables you to quickly and easily batch convert drawings to the Autodesk Design Web Format (DWF).

Amethyst DWG-2-PDF is a powerful Windows program that enables you to quickly and easily batch convert drawings to the Adobe Portable Document Format (PDF). Includes a CAD viewer to view drawings and convert the currently displayed image.

'Version Control for engineers' (SVN edition) is a freeware Windows collaboration tool for engineers, scientist and designers. Program give you the file revision control for your hardware, engineering and scientific projects.

Intuwiz G-code Generator is a toolpath generator for CNC machining.Program can generate a G-Code toolpath for a various geometric shapes (triangle, rectangle, circle, half circle, quarter-circle, parallelogram, rhombus, trapezoid, hexagon and etc).

Simple, powerful and inexpensive CAD software for surveying. You can do triangulation, isolines, color-filled contour maps, sections, intersections, volume and editing XYZ files. You can process hundreds of thousands of points or triangles.

Screen Tracing Paper overlays a transparent digital sheet over your PC desktop so that you may trace diagrams and designs, giving you measurement capability in any situation. Position, area and circumference can be calculated, with accuracy.

The Screen Compass allows you to measure the radius, circumference and area of circular or polygonal shapes on your screen simply and quickly. The Screen Compass floats above any other application so you can measure any angle on your screen.