- json-to-elm http://json2elm.com - swagger-elm https://github.com/ahultgren/swagger-elm/ - elm-graphql https://github.com/jahewson/elm-graphql, https://github.com/jamesmacaulay/elm-graphql - elm-export https://hackage.haskell.org/package/elm-export
It's worth noting that JSON decoding is not _hard_ as such, but it's harder than other parts of the language. It is more time consuming. Tools like these can help reduce the amount of time you spend hand writing decoders.