How would you undermine open source software?

You are a senior executive at Adobe.

The CEO of Adobe summons you in his office.

You are in charge of creating a secret task force. The goal is to systematically undermine open source software such as Krita, Inkscape, Kdenlive or GIMP. You have a $50 million budget. Nobody in the company knows about this project except you and Adobe's CEO.

What would you do?