Hacker News Reader

It wants new stuff, but that doesn't mean "from scratch" or "not firefox". Plain bugfixing is out, new features may be in. You have to write a paragraph or two about how New Feature X is in line with their goals, one of which is more intelligent/better informed use of people's personal data. It doesn't seem impossible to do something along those lines with firefox.

The FAQ says you can also work on existing projects, given that you can clearly define a project for the funds.

Any new module for an existing project is eligible as well. It's in the FAQs.

Hope a new module, that replace an old module (with less functionality) is accepted too.

Gimp is a more traditional Free SW project, but most developers on Firefox and the Linux kernel are already being perfectly funded by the corporations that employ them.