Based on your comment, I assume you mean a GUI program for interactive exploration and manipulation, rather than a library? This was posted on HN a few months

Based on your comment, I assume you mean a GUI program for interactive exploration and manipulation, rather than a library? This was posted on HN a few months ago and came to mind: https://github.com/facontidavide/PlotJuggler https://github.com/facontidavide/PlotJuggler In a past job, we used the commercial app nCode Glyphworks for graphical / interactive signal processing from field tests with hundreds of sensors.