Depending on what you are trying to do saying that Python or Julia are great alternatives to Mathematica is like saying that Java is a great alternative to Python and Julia.
Some people find enough value in Mathematica, Matlab, Tableau, JMP or commercial IDEs, compilers, libraries, etc. to prefer them to the free unrestricted alternatives available.
Some people like iPhones and Macs, some people say that there are numerous less expensive devices that do a great job and don't have restrictions on what you can do with them.
Some people find enough value in Mathematica, Matlab, Tableau, JMP or commercial IDEs, compilers, libraries, etc. to prefer them to the free unrestricted alternatives available.
Some people like iPhones and Macs, some people say that there are numerous less expensive devices that do a great job and don't have restrictions on what you can do with them.