S.E.E.R. 2 is a full featured SCADA / Historian / Aggregate Analysis System developed to work as a 'front end' for mod_openopc. Written in pure PHP (HTML 4.01 Transitional), and driven by a web-based user interface for universal deployment.
Pycontrol lets you control a PLC using libnodave by simply providing CSV files describing the process values read from the PLC. Pycontrol will create a GUI from the CSV files.