HPGL

Integrate CAD features into various environments, including .NET, HTML / JavaScript, VC++, Delphi, C++Builder, with ActiveX library. Supports AutoCAD DWG/DXF, HPGL, IGS, STP, STL, PDF, SVG, CGM, and more file types.

This software library allows CAD integration into VC++, C#, Delphi and more, without needing to install AutoCAD. The royalty-free license has no time limitations and supports various formats including DWG/DXF, DWF, HPGL/HGL, PLT, CGM, SVG, TIFF, BMP and JPG.

This CAD software supports a wide range of file formats including AutoCAD DWG, DXF, PLT, SVG, CGM, STEP, IGES, STL, and more. It comes with editing tools, a PDF to DWG converter, 2D/3D measuring capabilities, markup options, and G-code generation directly from CAD files.

PloViewMini is a high-speed HPGL plotter drawing file viewer that runs on Windows Vista, 7, 8, and 10. It displays HPGL /2 files, but does not support HP RTL, making it ideal for users who need fast and efficient viewing of their files.

CAD .NET is a flexible .NET environment library that allows software developers to import, create, edit, visualize, export, and print drawings. It can support various file formats, such as AutoCAD DWG (up to 2018), CGM, DXF, PLT, PDF, and many more.

CAD Export VCL is a source code library that enables Delphi and C++ Builder applications to export various file types such as DWG, DXF, HPGL, PLT, SVG, CGM, and PDF. It offers high-speed performance and is cost-effective.

CAD Importer DLL is a software development kit for use in a wide range of industrial sectors where the ability to work with CAD file formats is essential, including DWG, DXF, DWF, HPGL, PLT, CGM, and SVG. It is compatible with any DLL-supporting development environment for easy integration into existing software.

Sharecad.org is a cross-platform web-based service for viewing drawings. It supports various formats, including DWG, DXF, and STL, making it accessible on Windows, OS X, Linux, Android, iOS, and Windows Phone.