P2PX是一个开源的P2P点对点音视频、文件通讯传输开发套件；包括跨平台可部署服务端程序，和客户端开发组件； P2PX实现NAT点对点的穿透，支持音视频传输，文件传输等功能。 使用标准RTP实时流媒体传输协议，MPEG4视频编码格式，局域网内点对点传输达到2-3M/秒传输速度，支持多文件发送。-P2PX is an open source P2P peer audio and video, file transfer communications Development Kit　including cross-platform server deployment procedures, and client development components　P2PX point of penetration to achieve NAT, support for audio and video transmission, file transfer and other functions. Using the standard real-time streaming media transmission protocol RTP, MPEG4 video encoding formats, LAN point to point transmission to 2-3M/sec transfer rate, supports multiple file sent.