JustCAD: Free 2D & 3D CAD Software
Free, open-source CAD software for architects, engineers, makers, and hobbyists, offering intuitive interface and powerful modeling and drafting tools.
What is JustCAD?
JustCAD is an open-source, cross-platform CAD application built using JavaScript and WebGL. It provides extensive 2D drafting and 3D modeling capabilities for architectural, engineering, construction, manufacturing, and general-purpose design applications.
Some key features of JustCAD include:
- Intuitive graphical user interface with dockable panels and customizable workspaces
- 2D drafting tools - lines, arcs, circles, B-splines, text annotation
- Powerful 3D surfacing tools - extrude, revolve, lofts, sweeps
- Solid modeling tools - boolean operations, fillets, chamfers
- Dimensioning, layouts, and automatic bubble placement
- Photorealistic rendering with materials, textures and lighting
- Parametric design features - relationships, constraints, global variables
- Built in scripting and macro support (JavaScript)
- STEP, IGES, OBJ, and other CAD file format import/export
- Collaborative editing - all project changes reflected simultaneously
- Revision control - model history and roll back capabilities
- Plugins available to extend functionality
This free, open-source alternative to commercial CAD suites offers robust tools for product design, architecture, and engineering on Windows, Mac, and Linux platforms.