- 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
Once you've got the hang of it, it's not that hard either. Just time consuming. That's where json2elm comes in :)