Tool for Harmonic Analysis & Synthesis
Try NCH Software

From Wikipedia:


  NCH Software is a software development company founded in 1993 in
  Canberra, Australia. The Colorado office was started in April 2008 due
  to the large U.S. customer base. NCH Software primarily sells to
  individuals via their website.


And further


  Browser Toolbar
  
  During the installation process NCH Software also by default (but you
  can uncheck the option during install) installs Google Chrome. This
  can be unselected during install or removed after install. In older
  versions of their software a browser toolbar powered by Conduit,[11]
  was installed as well as making changes to the default homepage and
  search engine.