开源.net HMI 框架,框架包含AB，Opc等plc驱动和免费的桌面环境控件.-a free and “almost open-source” HMI framework written in VB.Net that offer some drivers for PLCs, and also offer free SCADA objects for winforms users.

Freelan 是一个免费、开源，支持多平台的高科配置的点对点 VPN 软件，主要设计用来轻松连接到远程主机，侧重于安全性和性能。可用于创建小型到大型的 VPN 虚拟专网，并且可动态修改。Freelan 基于 UDP 实现一个简单但是非常安全的 VPN 协议，支持 IPv4 和 IPv6.-Freelan is a free, open-source, multi platform Gaoke configuration of point to point VPN software, is de

Star Rat Final 远程控制源码，功能强大，界面美观，免费开源。(Star Rat Final remote control source code, powerful, beautiful interface, free open source.)