MeaProcess is a simple and graphical based Measurement and Automation framework and Tool. Support programming with IEC 6-1131.3 ST.
Runtime available for Windows, embedded RT-Linux and other realtime OS.
scada-tgz is a open-source .NET based framework for creating SCADA applications. It includes communication servers for various hardware in form of WebServices and SCADA-specific controls for Windows.Forms, GTK# and ASP.NET applications.