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介绍
这是FreeCAD的维基文档. 浏览文档有两种主要方法：探索用户中心或按照手册进行. 这是一个正在进行的工作，由FreeCAD的用户社区和开发人员撰写. 如果您发现错误或缺失的信息，请帮助！

用户中心
普通用户中心：此页面包含一般对FreeCAD用户有用的文档：所有工作台的列表，有关如何安装和使用FreeCAD的详细说明应用程序，教程和所有您需要开始.

高级用户中心：此页面收集高级用户和有兴趣编写python脚本的人员的文档. 您还将找到一个宏存储库，有关如何安装和使用它们的说明，以及有关根据您的具体需求定制FreeCAD的更多信息.

开发者中心：本节包含开发人员的材料：如何自己编译FreeCAD，FreeCAD源代码如何构造以及如何导航它，以及如何开发新的工作台，或将FreeCAD嵌入到您自己的应用程序中.

手册
FreeCAD 手册 是另一种更线性的方式来呈现此维基中包含的信息. 它被读取成一本书，并将从上面的中心轻轻地向您介绍许多其他页面. 电子书版本也可用，以及几个翻译pdf格式.

目录
The following table lists all the articles of this wiki that form the backbone of the offline documentation shipped with the FreeCAD application. It is already available in several languages:

How to participate
There is plenty to do inside the FreeCAD project, if you are interested in helping us. Of course, there are programming tasks for C++ or Python programmers, but there are also many things you can do even if you cannot code, such as
 * writing documentation and Editing the wiki
 * helping newcomers
 * translating the application and documentation
 * helping with the packaging of the latest release of FreeCAD for your favourite operating system
 * helping other people around you to discover FreeCAD.

The help FreeCAD page describes it all with more details. Starting from 2016, FreeCAD is also participating to the Google Summer of Code. The Contributors hub page is another effort to gather the possible ways to help and contribute to the FreeCAD project.

Source code
FreeCAD can be compiled on all platforms using cMake. The source code is LGPL-licensed and hosted on GitHub. There are build instructions for Windows, Unix/Linux and MacOSX. The source code documentation is hosted here, generated by Doxygen, and documented on the wiki.

About the development
Check the Development roadmap for news about what is being planned, the Changelog and Roadmap pages on the FreeCAD tracker to see the progress towards next release, or the Project statistics for even more information about the FreeCAD codebase. All the development communication happens on the forum, so be sure to visit it if you are interested in participating.