Open source chromatography software

Open source software (opencheom.net) can read a multitude of file formats including GC-MS data.  Can also read CSV files so could easily be connected to an arduino running processing or a firmata shield

Engauge Digitizer - Import data from printed plots

Engauge Digitizer is Open source software, reads a printed graph, and saves the data to a file so it can be reused and re-plotted