Now that I read the comments I find out Mozilla might have enough money and a CEO taking in millions. Any recommendations for a good email client on Linux? Just as a backup for now...
The Mozilla Foundation (non-profit parent org) does take donations. Which they could presumably funnel some of down to thunderbird development, but they chose not to, and now have this other for-profit management org fundraising Thunderbird separately...
I had no idea one way or the other, but if I'm reading this right [1] they are around $150MM currently for their endowment. Mozilla, meanwhile is actually around $1.2 billion and counting. But I think that makes sense for both, Wiki has the strongest donation drive in the world, and Mozilla is much more exposed to risk and in need of its firewall.
I don't think it changes anything, they're both good donation targets and Thunderbird is separately financed anyway so they still benefit from the $$ but I was surprised to see Wiki with the lower endowment.
1. https://foundation.wikimedia.org/w/index.php?title=File%3AFY...