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This is a list of free and open-source software packages (), computer software licensed under free software licenses and open-source licenses.Software that fits the Free Software Definition may be more appropriately called free software; the GNU project in particular objects to their works being referred to as open-source. [1]
LibreCAD is a computer-aided design (CAD) application for 2D design. It is free and open-source, and available for Unix/Linux, macOS, and Windows operating systems.. Most of the interface and handle concepts are analogous to AutoCAD, making it easier to use for users with experience in this type of commercial CAD application.
For information on software-related licences, see Comparison of free and open-source software licenses. A variety of free-content licences exist, some of them tailored to a specific purpose. Also listed are open-hardware licences, which may be used on design documents of and custom-made software for open-source hardware.
The table below provides an overview of notable computer-aided design (CAD) software. It does not judge power, ease of use, or other user-experience aspects. The table does not include software that is still in development (beta software). For all-purpose 3D programs, see Comparison of 3D computer graphics software.
Following is a list of notable 3D modeling software, computer programs used for developing a mathematical representation of any Three Dimensional surface of objects, also called 3D modeling. Title License
This is a list of notable software packages which were published as free and open-source software, or into the public domain, but were made proprietary software, or otherwise switched to a license (including source-available licenses) that is not considered to be free and open source.
Popular examples of closed-source freeware include Adobe Reader, Free Studio and Skype. This is a list of notable software packages that meet the freeware definition. 3D artistry
FreeCAD's support for the proprietary DWG file format has been problematic due to software license compatibility problems with the GNU LibreDWG library. The GNU LibreDWG library started as a real free alternative to the source-available OpenDWG library (later Teigha Converter and now ODA File Converter) and is licensed under the GPLv3 .