That Quora post is a wrapper around CNCCookBook's 2015 survey [0], which is quite old. They've done followup surveys [1], the most recent of which was in 2018

That Quora post is a wrapper around CNCCookBook's 2015 survey [0], which is quite old. They've done followup surveys [1], the most recent of which was in 2018 [2]. The latest survey shows that Fusion360 is now the most popular package and grew quite rapidly since 2015. FWIW, Fusion360 is also the most popular CAM package [3]. [0]: https://www.cnccookbook.com/results-2015-cad-survey/ https://www.cnccookbook.com/results-2015-cad-survey/ [1]: https://www.cnccookbook.com/cnc-manufacturing-trends-surveys-market-research/ https://www.cnccookbook.com/cnc-manufacturing-trends-surveys... [2]: https://www.cnccookbook.com/cnccookbook-2018-cad-survey-results-customer-satisfaction-awards/ https://www.cnccookbook.com/cnccookbook-2018-cad-survey-resu... [3]: https://www.cnccookbook.com/cnccookbook-2020-cam-survey-whats-the-most-popular-cam/ https://www.cnccookbook.com/cnccookbook-2020-cam-survey-what...