一套好用的专案管理系统，可以靠這套系統管理大中小型專案，非常之好用、重點是Fr-A set of easy to use project management system that can manage all sizes rely on this system project, very easy to use, with emphasis Free

网络编程，socket编程，包含服务器和客户端两个包，同时有音频、视频录制功能，桌面共享、文件传递、白板等。-Network programming, socket programming, including server and client in two packages, while there are audio, video recording capabilities, desktop sharing, file transfer, etc.