For ego, and niche market, Scheme, Haskell and their friends. For job, FORTRAN, C++, Python, JavaScript and WebAssembly. For insight, APL, Forth, Erlang, Eiff

For ego, and niche market, Scheme, Haskell and their friends. For job, FORTRAN, C++, Python, JavaScript and WebAssembly. For insight, APL, Forth, Erlang, Eiffel and brainfuck.