FreePCB一款优秀的开源PCB设计软件，用MFC编写,可以在VS2010下完成编译。这是最新的v1.359版源码。-FreePCB a good open source PCB design software, written in MFC, can be compiled under the VS2010. This is the latest version of the v1.359 source code.

cad软件，经常使用lisp语言的程序，并会更改系统变量，本程序用来检测系统变量监测工具。(Detection system variable monitoring tool in CAD software)