Where I can find NEM NIS/node github repository

Hi,

Does anyone know where I can find the official NIS repository?
https://github.com/NemProject I can see multiple repositories here but not getting specific to the node.

Hi. Node source is closed because the agreement with Tech Burau. It should be open source soon.

Okay. Any rough idea how many days it will take?

I think there was no exact date given.
Maybe you will be interested in Symbol: