It's not so much as another dB layer, but some async compatible dB layer. Most database libraries don't play very well with non blocking code. In fact nodejs d

It's not so much as another dB layer, but some async compatible dB layer. Most database libraries don't play very well with non blocking code. In fact nodejs dB libraries were specifically designed for this. Building async frameworks is not trivial - http://initd.org/psycopg/docs/advanced.html#async-support http://initd.org/psycopg/docs/advanced.html#async-support