The book ad was there almost from the beginning, so we've assumed that the contributors are aware of the way this repo is funded. As for sponsoring other produ

The book ad was there almost from the beginning, so we've assumed that the contributors are aware of the way this repo is funded. As for sponsoring other products/companies - we'd need to see if it's aligned with our goals and with our target group. I don't remember anyone approaching us so far.