Mozilla isn't neutral politically, though there isn't a specific political alignment that is endorsed. That is, it's issue-focused, rather than partisan.

We have a strongly-worded manifesto that lays out what we believe: https://www.mozilla.org/about/manifesto/

Mitchell Baker, the chairwoman of the Mozilla Foundation, talking about how the current political environment in America might overlay that manifesto: https://blog.lizardwrangler.com/2017/03/13/the-worldview-of-...

I'm an employee at Mozilla, though am trying to set personal politics aside to present public explanation of our institutional viewpoint.