The authors kindly supply a demo web page demonstrating different chart types and functions of the SpeckTackle library. Example data is embedded in the web page (800 kb file size). Click on the buttons at the top of the page to see the data displayed. For the Chromatogram, Difference Chart and Spectral Match click the button then the Add Data button.
Highlighting a section of the spectra expands the view and mouseover on the 2D NMR spectra provides a tooltip giving chemical shifts
I've added this to the spectroscopy resources page