Using any of the OmniSci open-source charting libraries is useful when you want to do something using only OmniSciDB (i.e. not wanting to purchase Enterprise Edition), or when you want to create a custom visualization that isn't provided by OmniSci Immerse (our commercial visualization tool). Some of the work referenced in the blog post was in partnership with the creators of the Vega.js library as research into high-frame rate and large data interactivity in browser visualization