I'd say 'multiple smaller tools' is actually what Babel has become. It started out as a tool to compile ES6 to ES5 (6to5 it was called), but now it's a kind of

I'd say 'multiple smaller tools' is actually what Babel has become. It started out as a tool to compile ES6 to ES5 (6to5 it was called), but now it's a kind of framework(?) that you can add various smaller packages to for various 'transpiling' purposes.