Elastolix takes any 2 of 6 elastic moduli and calculates the remaining 4. There is a command line tool, named elastolix and a tool with a graphical user interface made with lazarus. Releases for macOS will always be first, others should always follow shortly after.
Burkhard Heim's Mass Formula - A collection of programs that calculate the mass of a variety of sub-atomic particles, based on work by the late Burkhard Heim.
http://www.heim-theory.com/