## FreeCAD
List of Open Source components

FreeCAD uses the following Open Source Components.

- Boost

- Coin3D

- Eigen

- FreeType

- KDL

- libarea

- Open CASCADE Technology

- Point Cloud Library

- PyCXX

- Python

- Shiboken/PySide

- Qt

- Salome SMESH

- Visualization Toolkit

- Xerces-C

- Zipios++

- zlib

### Boost

Version: 1.86.0

Web site: https://www.boost.org/

License: Boost Software License: https://www.boost.org/users/license.html

### Coin3D

Version: 4.0.3

Web site: https://coin3d.github.io

License: BSD 3-Clause: https://github.com/coin3d/coin/blob/master/COPYING

### Eigen

Version: 3.4.0

Web site: https://eigen.tuxfamily.org

License: MPL version 2.0: https://www.mozilla.org/en-US/MPL/2.0/

### FreeType

Version: 2.13.3

Web site: https://www.freetype.org/

License: FreeType License: https://gitlab.freedesktop.org/freetype/freetype/-/blob/master/docs/FTL.TXT

### KDL

Web site: https://www.orocos.org/kdl.html

License: LGPL version 2.1: LGPL v2.1

### libarea

Web site: https://github.com/danielfalck/libarea/

License: BSD-3-clause: https://github.com/danielfalck/libarea/blob/master/License.txt

### Ondsel Solver

Version: 1.0.1

Web site: https://github.com/Ondsel-Development/OndselSolver

License: LGPL version 2.1: LGPL v2.1

### Open CASCADE Technology

Version: 7.8.1

Web site: https://www.opencascade.com/open-cascade-technology/

License: LGPL version 2.1 with additional exception:https://dev.opencascade.org/resources/licensing

### Point Cloud Library

Version:

Web site: https://www.pointclouds.org

License: BSD-3-clausehttps://github.com/PointCloudLibrary/pcl/blob/master/LICENSE.txt

### PyCXX

Version: 7.1.9

Web site: http://cxx.sourceforge.net

License: BSD-3-clause

                               Copyright (c) 1998 - 2007
                      The Regents of the University of California
                 Produced at the Lawrence Livermore National Laboratory
                 Written by Geoff Furnish, Paul F. Dubois, Barry A. Scott
                                   UCRL-CODE-227018
                                 All rights reserved.

    This file is part of PyCXX. For details, see http://cxx.sourceforge.net.

    Redistribution  and  use   in  source  and  binary  forms,   with  or  without
    modification, are permitted provided that the following conditions are met:

     - Redistributions of source code must retain the above copyright notice, this
       list of conditions and the disclaimer below.
     - Redistributions in  binary form must reproduce the above  copyright notice,
       this  list of  conditions  and  the  disclaimer (as  noted  below)  in  the
       documentation and/or materials provided with the distribution.
     - Neither the name  of the UC/LLNL nor  the names of its  contributors may be
       used to  endorse or  promote products  derived from  this software  without
       specific prior written permission.

    THIS SOFTWARE IS  PROVIDED BY THE COPYRIGHT  HOLDERS AND CONTRIBUTORS  "AS IS"
    AND ANY  EXPRESS OR  IMPLIED WARRANTIES, INCLUDING,  BUT NOT  LIMITED  TO, THE
    IMPLIED WARRANTIES  OF MERCHANTABILITY AND  FITNESS FOR  A PARTICULAR  PURPOSE
    ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OF THE UNIVERSITY OF CALIFORNIA,
    THE U.S.  DEPARTMENT  OF  ENERGY  OR CONTRIBUTORS BE  LIABLE  FOR  ANY DIRECT,
    INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
    BUT NOT LIMITED TO, PROCUREMENT OF  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
    DATA, OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER  CAUSED AND ON ANY THEORY
    OF LIABILITY,  WHETHER  IN  CONTRACT,  STRICT  LIABILITY,  OR  TORT (INCLUDING
    NEGLIGENCE OR OTHERWISE)  ARISING IN ANY WAY OUT OF THE  USE OF THIS SOFTWARE,
    EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

    Additional BSD Notice

    1. This notice  is required to be  provided under our  contract with  the U.S.
       Department of Energy  (DOE).  This work was produced  at the  University of
       California,  Lawrence  Livermore  National Laboratory  under  Contract  No.
       W-7405-ENG-48 with the DOE.

    2. Neither the  United  States  Government nor  the University  of  California
       nor any  of their  employees,  makes any warranty,  express or  implied, or
       assumes any  liability or  responsibility for  the accuracy,  completeness,
       or usefulness of any information, apparatus, product, or process disclosed,
       or represents that its use would not infringe privately-owned rights.

    3. Also, reference  herein to any  specific commercial  products,  process, or
       services by  trade name,  trademark,  manufacturer  or otherwise  does  not
       necessarily  constitute  or  imply   its  endorsement,  recommendation,  or
       favoring by the  United States Government or the  University of California.
       The views  and opinions  of authors  expressed herein  do  not  necessarily
       state or reflect  those of the  United States Government  or the University
       of California, and shall not be used for advertising or product endorsement
       purposes.

### Python

Version: 3.12.7

Web site: https://www.python.org/

License: https://docs.python.org/3.6/license.html

### Qt for Python (Shiboken / PySide)

Version:

Web site: https://wiki.qt.io/Qt_for_Python

License: LGPL version 3 / GPL version 2: LGPLv3 / GPLv2

### Qt

Version: 6.8.0

Web site: https://www.qt.io/

License: LGPL version 3.0: https://www.gnu.org/licenses/lgpl-3.0.en.html

### Salome SMESH

Version: 7.7.1.0

Web site: https://www.salome-platform.org/

License: LGPL version 2.1: LGPL v2.1

### Visualization Toolkit

Version: 9.3.1

Web site: https://www.vtk.org

License: BSD-3-clause: https://vtk.org/Wiki/VTK/License

### Xerces-C

Version: 3.2.5

Web site: https://xerces.apache.org/xerces-c

License: Apache License Version 2.0: https://www.apache.org/licenses/LICENSE-2.0.html

### Zipios++

Web site: http://zipios.sourceforge.net

License: LGPL v2.1: https://github.com/Zipios/Zipios/blob/main/COPYING

### zlib

Version: 1.3.1

Web site: https://zlib.net/

License: zlib: https://zlib.net/zlib_license.html