dxf

LibreCAD is a cross-platform 2D CAD program. It can read DXF/DWG, and write DXF/DWG/PDF/SVG files. It supports point/line/circle/ellipse/parabola/hyperbola/spline primitives. The GUI is highly customizable, and has dozens of translations.

A python parametric CAD scripting framework based on OCCT

Fast and minimalist 3D viewer.

JSCAD is an open source set of modular, browser and command line tools for creating parametric 2D and 3D designs with JavaScript code. It provides a quick, precise and reproducible method for generating 3D models, and is especially useful for creating ready-to-print 3D designs.

Browser-native Office / PDF / CAD / archive viewer for internal web apps, with Vue, React, Svelte, jQuery, Web Components, and no server-side conversion.

3D CAD viewer and converter based on Qt + OpenCascade

📐⚙ 2D vector line drawing and shape modeling for CNC and laser cutters.

QCAD - The Open Source 2D CAD. QCAD is a cross-platform CAD solution for Windows, macOS and Linux. It supports the DXF format and optionally the DWG format (through a proprietary plugin).

A CAD application built with Rust — 2D/3D drawing, DWG/DXF support, and GPU-accelerated rendering

The world’s first fully web-based DXF/DWG viewer and editor that runs entirely in the browser — no backend server required.

A GCode sender (not only for lasers or plotters) for up to two GRBL controller. SVG, DXF, HPGL import. 6 axis DRO.

C# library to read/write cad files like dxf/dwg.

Python automation toolkit for SolidWorks API

A dxf viewer for the browser using three.js

A simple CAD package using signed distance functions

AutoCAD Code Pack: A powerful library that helps you to develop AutoCAD plugins using the AutoCAD .NET API