* [nodejs >= 8.x](https://nodejs.org/en/download/package-manager/#debian-and-ubuntu-based-linux-distributions), but there is special build for [nodejs 6.14](server/BUILD_6_14.md)
* [python3](https://www.python.org/downloads/) with pip3
* [python3](https://www.python.org/downloads/) with [pip3](https://packaging.python.org/guides/installing-using-linux-tools/#installing-pip-setuptools-wheel-with-linux-package-managers)