Stretching 'currently available' a little, there's Roc lang [1]. Though still in development, you can use it for small personal projects. Another caveat is that

Stretching 'currently available' a little, there's Roc lang [1]. Though still in development, you can use it for small personal projects. Another caveat is that it's a functional language, which could potentially hinder its wide adoption [1] https://www.roc-lang.org/ https://www.roc-lang.org/