As a reference, I was able to move away from Highcharts and into one OOS library (rickshaw) in 2 man-days; I didn't have to reimplement it from scratch, I just

As a reference, I was able to move away from Highcharts and into one OOS library (rickshaw) in 2 man-days; I didn't have to reimplement it from scratch, I just had to find another lib. To be fair, our charting requirements where not very complex.