CAD software with design automation plus toolset, web, and mobile apps.
A free Open Source CAD application.
Precision 2D drafting and documentation software includes AutoCAD web and mobile apps.
The Open Source CAD System For Everyone.
Convert DWG, DXF and DWF files to TIF (TIFF), JPG (JPEG), BMP, GIF, PNG, TGA, PCX, WMF and EMF without the need of AutoCAD.
Convert PDF to DWG and PDF to DXF format for fast and efficient editing in AutoCAD.
A Cross Platform and Open Source Electronics Design Automation Suite.
Professional-grade 3D CAD software for product design and engineering.
A free/libre soft-body physics simulator mainly targeted at simulating vehicle physics.
A virtual Lego with an unlimited amount of blocks and accessories.
An integrated circuit simulator.
Make the design, creation and printing of residential electrical floor plans fast and easy.
A powerful open source cross-platform solid modeling system.
Specially designed to make it possible for engineers, small business owners, and technical graphics professionals to illustrate and communicate with confidence.
An open standard for LEGO CAD programs that allow the user to create virtual LEGO models and scenes.
The professional, affordable, and simplified CAD software.