Check their ‘Our Three Pledges’, particularly the third one regarding open source…
Quoted from their site, pledge #3
“We will always be transparently devoted to making delightful software. All FUTO-funded projects are expected to be open-source or develop a plan to eventually become so. No effort will ever be taken to hide from the people what their computers are doing, to limit how they use them, or to modify their behavior through their software.”