Yes, the problem with such projects is that the must be very clear benefits for users (rather than developers) to attract a critical mass. At work we had Apach

Yes, the problem with such projects is that the must be very clear benefits for users (rather than developers) to attract a critical mass. At work we had Apache Zeppelin running on the servers alongside with Jupyther. In practice almost nobody used it (probably because almost nobody else used it, so if yourun into any issues you're on your own), so it was quietly shelved after a few years.