Here is the list of other resources relevant to the course:
OpenDataScience (ods.ai). All discussions are held in the #mlcourse_ai_eng channel. The Russian version of the course is discussed in the #edu_open_mlcourse channel;
Open ML course the Russian version of the course with active session (not self-paced), led by Peter Ermakov;
GitHub repository. Preferable if you are used to work with git & GitHub (the content is constantly updated);
mlcourse.ai Kaggle Dataset. You can pass the whole course just in a browser (not updated);
Medium articles. In the past, this was the main content in English (not updated);
Habr.com articles. In the past, this was the main content in Russian (not updated);
VK mlcourse.ai group. VK group with updates, Russian-only.