Best scada software for free download

Winlog Lite is a powerful and easy to use SCADA/HMI software for data acquisition and supervision of industrial and civil plants; it supports communication with most popular devices such as PLCs, PID controllers, I/O modules, OPC servers, etc.
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Programmable scientific and technical graphics optimized for automation of test and measurement systems and numerical data analysis. Provides extensible set of editing and calculation features and includes ActiveX-compatible scripting environment.
Related software: automation, data, acquisition, test, measurement, analysis, process, visual, script, activex, plot, graphics, editor, regression, fitter, nlsf, levenberg, marquardt, numeric, symbolic, calculation, digitize, source, experiment, scada, opc, …